Convertible Car Seat Information
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Car seat Mfg.Car Seat Model Name Lowest Harness Height Highest Harness HeightShortest Buckle Position Longest Buckle PositionCrotch Buckle LengthInternal Seating Depth Internal Seating HeightInternal Bottom WidthInternal Shoulder WidthExternal Seat WidthSeat Weight RF Weight Range FF Weight Range RF Height Range FF Height Range Forward Facing Age Range Lock-offs ProvidedRebound ControlSeat ModesExpiration LimitsLowest Booster Belt Guide HeightHighest Booster Belt Guide HeightBooster Mode Weight Range Booster Mode Height Range Booster Mode Age Range Booster LATCH CapableInstruction ManualOther Information
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BritaxAdvocate G4
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BritaxAdvocate ClickTight
6.5 in.18.5 in.4 in.6 in.12 in.28.5 in to the bottom of the red adjuster (27.5 in. usable rear-facing height to 1 in. below red adjuster)10 in.11 in.20.5 in. at torso wings, 14" at widest point of base
28 lbs.5-40 lbs.20-65 lbs.49 in. or less49 in. or less1 year and older
Has Lock-offsRebound BarRearfacing/ Forward Facing 10 years from date of manufactureN/AN/AN/AN/AN/AN/Amanual*Boulevard and Advocate ClickTight are identical except for the addition of external side-impact cushions on the Advocate.
*LATCH limits:
Rear-facing Boulevard: 35 lbs. Advocate: 30 lbs.
Forward-facing: Boulevard: 40 lbs. Advocate: 35 lbs.
*Anti-rebound bar available for purchase as an optional accessory (comes standard in Canada).
*ClickTight convertibles manufactured after January 2015 no longer allow rear-facing tethering
*Forward-facing, cannot overhang the front of the vehicle seat by more than 3".
*HUGS pads mandatory for forward-facing but optional for rear-facing.
*Harness can optionally be lengthened for children over 2.
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BritaxAdvocate 709 in.17 in.5 in.8 in.5.5 in.11.5 in.24 in. to top of shell / 27 in. to top of headrest11 in.12 in.21.5 in.21 lbs.5-40 lbs.20-70 lbs.49 in. / at least 1 in. shell above head
up to 49 in.1 year and olderHas Lock-offsRF TetherRearfacing/ Forward Facing 7 years from mfg dateN/AN/AN/AN/AN/AN/Amanual
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BritaxAdvocate CS 65
(discontinued)
10 in. 17 in. 5.25 in.5.25 in.5.25 in.9 in.24.63 in.11 in.13.5 in.20.8 in.21 lbs.5-35 lbs.20-65 lbs.49 in. / at least 1 in. shell above head
up to 49 in.1 year and olderHas Lock-offsRF TetherRearfacing/ Forward Facing 6 years from manufacture dateN/AN/AN/AN/AN/AN/Amanual* This seat has cushions on the side, which is suppose to provide protection for passengers sitting beside the seat. These cushions do take up a lot of space and may not fit well next to other carseats or in situations where the vehicle seatback needs to be raised and lowered.
* The Click & Safe harness adjuster feature is supposed to make an audible click sound when the harness straps are tight enough but on more than one occssion, I heard it click when it was obvious that the harness was nowhere near tight enough.
* Allows for the tether to be used rearfacing
* When installing the seat, put your knee into the seat (putting as much weight into it), and then pull on the LATCH straps to get a tight fit.
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BritaxBoulevard G4
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BritaxBoulevard 708.75 in.17 in.5.5 in.8 in.5.25 in.11.5 in.24 in.11 in.12 in.19 in.19 lbs.5-40 lbs.20-70 lbs.49 in. / at least 1 in. shell above head
up to 49 in.1 year and olderHas Lock-offsRF TetherRearfacing/ Forward Facing 7 years from mfg dateN/AN/AN/AN/AN/AN/Amanual
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BritaxBoulevard 65
(discontinued)
10.25 in.16.5 in.6.5 in.6.5 in.5 in.12 in.25 in.12 in.12.25 in.19 in.20 lbs.5-35 lbs.20-65 lbs.49 in. / at least 1 in. shell above head
up to 49 in.1 year and olderHas Lock-offsRF TetherRearfacing/ Forward Facing 6 years from manufacture dateN/AN/AN/AN/AN/AN/Amanual* Infinite-adjust, no-rethread harness (better suited for adjusting for one child as she grows without uninstalling than for switching frequently between multiple children because it is a bit time-consuming).
* Allows installation in rear-facing mode with seatbelt routed over or under seat cover in seating area.
* Head wings may push child's head forward somewhat.
* LATCH connectors have separate straps; instead of re-threading through the belt path, move them along the bar under seating area to switch sides for rear-facing vs. forward-facing installation.
* Not suitable for most newborns at birth.
* V-shaped tether strap may make forward-facing tether use in vehicles with unusual or unusually located tether anchors difficult.
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BritaxBoulevard ClickTight
6.5 in.18.5 in.4 in.6 in.12 in.28.5 in to the bottom of the red adjuster (27.5 in. usable rear-facing height to 1 in. below red adjuster)10 in.11 in.18 in. at torso wins, 14" at widest point of base
28 lbs.5-40 lbs.20-65 lbs.49 in. or less49 in. or less1 year and older
Has Lock-offsRebound BarRearfacing/ Forward Facing 10 years from date of manufactureN/AN/AN/AN/AN/AN/Amanual*Boulevard and Advocate ClickTight are identical except for the addition of external side-impact cushions on the Advocate.
*LATCH limits:
Rear-facing Boulevard: 35 lbs. Advocate: 30 lbs.
Forward-facing: Boulevard: 40 lbs. Advocate: 35 lbs.
*Anti-rebound bar available for purchase as an optional accessory (comes standard in Canada).
*ClickTight convertibles manufactured after January 2015 no longer allow rear-facing tethering
*Forward-facing, cannot overhang the front of the vehicle seat by more than 3".
*HUGS pads mandatory for forward-facing but optional for rear-facing.
*Harness can optionally be lengthened for children over 2.
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BritaxDiplomat
(discontinued)
10 in.15 in.6 in.6 in.3.5 in.9 in.21 in.11 in.9.5 in.18 in.15 lbs.5-35 lbs.20-40 lbs.40 in. or less40 in. or less1 year and olderHas Lock-offsRF TetherRear facing/ Forward Facing 6 years from manufacture dateN/AN/AN/AN/AN/AN/Amanual
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BritaxMarathon G4
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BritaxMarathon 70 / G38.75 in.17 in.5 in.8 in.5.5 in.12 in.23.5 in. to top of shell / 27.5 in. to top of headrest11 in.13 in.19 in.19 lbs.5-40 lbs.20-70 lbs.<= 49 in. standing height OR 9-16.75 in. torso height<= 49 in. standing height OR 12-16.75 in. torso height1 year and olderHas Lock-offsRF TetherRear facing/ Forward Facing 7 years from mfg dateN/AN/AN/AN/AN/AN/Amanualeasy latch install with non handed latch buckles with individual tighteners.
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BritaxMarathon 65 / Classic10 in.17 in.6 in.6 in.4 in.10 in.24.5 in.12 in. in back11.75 in.19 in.16 lbs.5-35 lbs.20-65 lbs.49 in. / at least 1 in. shell above head
49 in. or less1 year and olderHas Lock-offsRF TetherRear facing/ Forward Facing 6 years from manufacture dateN/AN/AN/AN/AN/AN/AmanualDouble latch tighteners make is super easy to install and tethers rf.
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BritaxRoundabout G4
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BritaxRoundabout 40
(discontinued)
10 in.15.5 in.7.5 in.7.5 in.3.25 in.9 in.21 in.11.5 in.11 in.17 in.13 lbs.5-35 lbs.20-40 lbs.40 in. / at least 1 in. shell above head
40 in. / shoulders above top slot / ears over top of shell1 year and olderHas Lock-offsRF TetherRear facing/ Forward Facing 6 years from manufacture dateN/AN/AN/AN/AN/AN/AmanualThis seat is very compact. It is best suited to small children riding in small cars.
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BritaxRoundabout 5011 in.17 in.3.5 in.7.5 in.4 in .10 in.25 in.12 in. in back11.27 in.19 in.15 lbs.5-35 lbs.20-50 lbs.49 in. / at least 1 in. shell above head
49 in. or less1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing 6 years from manufacture dateN/AN/AN/AN/AN/AN/AmanualDoes not have comfort pads, hugs, or lock-offs which the other larger Britax convertible seats have.
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BritaxRoundabout 558.5 in.16 in.5 in.7.5 in.5 in.11 in.23.5 in.11 in.12.75 in.19 in.17 lbs.5-40 lbs.20-55 lbs.<= 46 in. standing height OR 9-15.75 in. torso height<= 46 in. standing height OR 12-15.75 in. torso height1 year and olderHas Lock-offsRF TetherRear facing/ Forward Facing 7 years from mfg dateN/AN/AN/AN/AN/AN/AmanualEasy latch install with non handed latch buckles with individual tighteners.
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BritaxPavilion G4
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ChiccoNextfit5.5" with insert; 7.5" without insert17.5 inchesWith insert 3.5"; without insert 4" 6 inchesWith insert 3.25"; without insert 4.75"14 inches26 inches11.5 inches13 inches 19" at widest point; width of base 14.5"; length of base 17"25 lbs5-40 lbs.22-65 lbs.< 50 in.up to 50 in., ears below top of shell, shoulders at or below top harness slot
at least 1 year oldHas Lock-offsNoneRear facing/ Forward Facing 8 years from mfg dateN/AN/AN/AN/AN/AN/Amanual* Newborn Insert only for infants between 5-11 lbs.
* Only use LATCH for children weighing up to 40 lbs., after that, use a seatbelt install
* SuperCinch force-multiplying LATCH tightening system can only be used for children weighing less than 40 lbs
* 9 recline positions
* separate recline angle indicators for both rear-facing AND forward-facing installations
* harness strap covers are required
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ClekFil10 in.17 in.4 in.6 in.Two crotch buckle length settings within one buckle12 in.26 in.13 in.16.9 in.25.8 lbs without anti-rebound bar; 28.9 lbs. with ARB14-50 lbs (14-40 lbs. in Canada)22-65 lbs.25-43.99" and head at least 1 in. below top of headrest30-49 in.2+ ears recommended (1 year minimum)
Has Lock-offsanti-rebound barRear facing/ Forward Facing 9 years from the date of manufacture N/AN/AN/AN/AN/AN/A*LATCH weight limits:
Rear-facing: 35 lbs
Forward-facing: 40 lbs
*Crotch buckle pad required under 22 lbs.
*The included anti-rebound bar is optional for use rear-facing.
*No overhang permitted
*Tightly-rolled towel may be used to adjust the recline angle but NO POOL NOODLES.
*Recyclable through Clek's recycling program.
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ClekFoonf10 in.17 in.3 in.5.5 in.3 in.11 in.26 in. with headrest fully extended11 in. at bum / 14 in. at legs11 in.17 in.36.4 lbs rearfacing / 33.7 lbs forward facing (Clek lists 33 lbs. rearfacing / 31 lbs. forward facing)14-50 lbs. & able to sit upright alone (14-40 lbs. in Canada)20–65 lbs. (22-65 lbs. in Canada)25–43 in. & at least 1" of headrest shell above child's head30–49 in. & top of ears at or below the top of the headrest & shoulders at or below top shoulder harness position1 year and older (recommends 2 years)Has Lock-offsanti-rebound barRear facing/ Forward Facing 9 years from mfg dateN/AN/AN/AN/AN/AN/Amanual* When used rearfacing, if child weighs more than 40 lb, this car seat must be installed with a vehicle seat belt.
* When used forward facing, If child weighs more than 48 lb, this car seat must be installed with the vehicle seat belt and Top Tether.
* When used forward facing, if seat is installed with a lap belt, Shoulder Harness
Straps are through one of the top two sets of Shoulder Harness Slots.
* Always use the Buckle Pad supplied with this car seat for children
weighing up to 22 lb.
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CombiCoccoro9 in. w/o padding; 8 w/ padding15 in. w/o padding5 in.5 in.8 in.13 in.22 in. w/o padding9 in.9.75 in.15 in.11.75 lb.5-33 lbs.20-40 lbs.up to 36 in.up to 40 in.Has Lock-offsRF TetherRear facing/ Forward Facing 7 years from mfg dateN/AN/AN/AN/AN/AN/AmanualRetroactive Change - The use of the top tether in a rear facing direction is approved for all Coccoro models that have not reached their expiration date.
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CombiZeus 360 (discontinued)9.5 in. (8.5 in. w/ infant padding)14 in.5 in.5 in.5.25 in.11.5 in.22.25 in.11 in.10 in.18.5 in.30 lbs.5-33 lbs.20-40 lbs.up to 36 in.up to 40 in.1 year and olderHas Lock-offsHas rebound barRear facing/ Forward Facing 7 years from mfg dateN/AN/AN/AN/AN/AN/Amanual* The seat rotates on its base for easy access when securing a child in the seat.
* It should be top tethered for rear or forward facing use.
* Has 3 sets of loops on the harness.
* It comes with a recline block to help achieve a proper recline.
* Infant insert must be used for infants under 25 pounds in either direction, unless shoulders are above the top harness position.
* Not aircraft certified.
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Cosco (Dorel)Alpha Omega (40 lb version)10 in.14.5 in. (highest usable slot)6.75 in.6.75 in.5 in.10 in.23.5 in. (highest harness position)/ 25 in. booster mode14 in.15 in.19.2 in.16 lb.5-35 lbs.22-40 lbs.19-36 in.34-43 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing/ BoosterDec. of the 8th year from mfg. date15-18 in.19-21 in.40-80 lbs.43-52 in.1 year of age and olderCannot use LATCHmanualThere are no specified locations for storing LATCH/tether straps.

The base IS removable on this model (newer models have a non-removable base)
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Cosco (Dorel)Alpha Omega (50lb version)10 in.16 in.3.5 in.6.5 in.25 in.10 in19 in.16 lbs.Does not have Lock-offsNoneRear facing/ Forward Facing/ BoosterDec. of the 8th year from mfg. dateno online manual
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Cosco (Dorel)Alpha Omega Elite (40lb version)10 in.14.5 in. (highest usable slot)4.25 in.6.5 in.5 in.12 in.22.5 in. to shell / 25 in. to headrest11 in.13 in.18 in.17 lbs5-35 lbs.22-40 lbs.19-36 in.34-43 in.1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing/ BoosterDec. of the 8th year from mfg. date15 in.19 inches40-10043-52 in1 year of age and oldernomanual
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Cosco (Dorel)Apt5 in.13 in.3 in.6 in.2 in.12 in.23 in.10 in.14 in.22 in. @ cupholder, 19.25 in. at shoulders7.9 lbs.5-40 lbs.22-40lbs19-40 in. or top of head is even w/ top of seat34-43 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/Ano online manual* Dual level lines stamped on seat.
* Cup holders make the seat significantly wider.
* May be incompatible in vehicles with shorter seat depths, as the seat base starts further back from the edge/lip.
* Seat does not have a foot or recline handle underneath it to change it from rear to forward facing, which makes it somewhat easier not to mess up installation.
* Seat does not have special requirements for which harness slots can be used for rear or forward facing.
* Have to adjust the harness down when using the bottom-most slot by moving the harness ends underneath to a new slot.
* Can be used rearfacing until child is 40 lbs, 40", or top of head is even w/top of seat back. Doesn't specify 1" rule.
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Cosco (Dorel)Scenera6.75 in.14.75 in.4 in.6.75 in.5 in.11.5 in23.25 in.12 in.11.5-14 in.17.5 in.8.6 lbs5-35 lbs.22-40lbs19-36 in.34-43 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/AmanualWill require a pool noodle (or pyramid of noodles) for even a minimal RFing recline.
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Cosco (Dorel)Scenera 40RF7 in. (without cover)15 in.4.5 in.7 in.4.25 in.12 in.23 in.12 in.12 in.18 in.8.6 lbs5-40 lbs.22-40 lbs.19-40 in.34-43 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/Ano online manual
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Cosco (Dorel)Scenera NEXT5 in.13 in.2.5 in.4.75 in.4.75 in.11 in.23 in.10.5 in.11.5 in.17.5 in. at head wings7 lbs.
5-40 lbs.22-40 lbs19-40" and head no higher than even with the top of the shell29-43 in.must be at least 2 years oldDoes not have Lock-offsNoneRear facing/ Forward Facing 8 years from date of mfg
N/AN/AN/AN/AN/AN/Ano online manual*Due to low top harness slots, outgrown forward-facing before it's
outgrown rear-facing. Many consider it functionally a rear-facing-only
seat.
*May use LATCH to the full limits of the seat.
*A longer crotch buckle is available from Dorel if needed.
*It may be installed more upright than the recline line for babies and children that can sit up independently.
*Harness has optional routing to shorten it for newborns.
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Cosco (Dorel)TourivaDoes not have Lock-offsNoneRear facing/ Forward Facing N/AN/AN/AN/AN/AN/A
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Diono Radian R1009 in.18 in.3.5 in.7 in.5 in.13 in.25 in.13.5 in14 in.17 in. at shoulder area, 16.5 in. at thigh area23 lbs.5-40 lbs.20-65 lbs.up to 44 in. with at least 1.5 in. of shell above headup to 57 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing/ Booster8 years as harness / 10 years as booster23.5 in.23.5 in.50-100 lbs.> 40 in. and shoulders above the 4th harness slotnone listedYesmanual
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Diono Radian R1209 in.17.5 in.3.5 in.7 in.13 in.13.5 in14 in.17 in. at shoulder area, 16.5 in. at thigh area25 lbs.5-45 lbs.20-80 lbs.up to 44 in. with at least 1.5 in. of shell above headup to 57 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing/ Booster8 years as harness / 10 years as booster50-120 lbs.40-57 in. and shoulders above the 4th harness slotnone listedYesmanual* R120 includes an infant insert and memory foam. It also has an increased weight limit over the R100.
* Seat folds
* SafeStop load-limiting device must be used when installing the seat
forward facing with LATCH or when using the top tether, and the child
weighs between 20-40 lbs. The SafeStop device is not used when the seat
is installed rearfacing.
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Diono RadianRXT9 in.17.5 in.3.5 in.7 in.13 in.13.5 in14 in.17 in. at shoulder area, 16.5 in. at thigh area27 lbs.5-45 lbs.20-80 lbs.up to 44 in. with at least 1.5 in. of shell above headup to 57 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing/ Booster8 years as harness / 10 years as booster50-120 lbs.> 40 in. and shoulders above the 4th harness slotnone listedYesmanual* RTX has adjustable head wings with the booster guides on the headrest.
* Seat folds
* SafeStop load-limiting device must be used when installing the seat
forward facing with LATCH or when using the top tether, and the child
weighs between 20-40 lbs. The SafeStop device is not used when the seat
is installed rearfacing.
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EvenfloMomentum 65 (discontinued)7.5 in.17.5 in.7.5 in.7.5 in.6 in.12.5 in.24.5 in.10 in.12 in.21 in.20.6 lbs.5-40 lbs.20-65 lbs.at least 1 in. shell above headup to 50 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing 6 years from DOMN/AN/AN/AN/AN/AN/AmanualThe LX model does not have SureLatch feature, but does have easy to use alligator style LATCH connectors. The other models use the SureLatch connectors , which may not compatible with all vehicles' LATCH systems.
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EvenfloSureRide / Titan 656.5 in.19-19.25 in.5 in.7.5 in.6 in.12 in.25 in.12-13 in.11 in. at top slots18.5 in. at front, plastic at base portion in back is only 10 in.11.2 lbs.
5 – 40 lbs.22 - 65 lbs.19 - 40 in.28 - 54 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing 6 years from DOMN/AN/AN/AN/AN/AN/AmanualThere are 6 shoulder strap slots. In the US, the bottom 3 slots can only be used rearfacing, 4th slot from the bottom can be used either rearfacing or forward facing, and the top 2 slots can only be used forward facing. In Canada, the bottom 3 slots can only be used for rearfacing, and the top 3 slots can only used for forward facing.
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EvenfloSymphony (discontinued)7.25 in.17 in.7 in.7 in.6 in.13 in.23 in. RF / 25 in. FF12.75 in.16-18 in.22 in.20 lbs.5-35 lbs.20-40 lbs.at least 1 in. shell above headup to 50 in.1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing/ BoosterDec. of the 8th year from mfg. date13.5 in.19 in.30-100 lbs.< 57 in.3 years and olderMfg Unclear on LATCHmanualutilize an infinite slide harness makes seat ideal for sharing between multiple children.
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EvenfloSymphony 657.25 in.17 in.7 in.7 in.6 in.13 in.23 in. RF / 25 in. FF12.75 in.16-18 in.22 in.20.8 lbs.5-35 lbs.20-65 lbs.19-37 in. and at least 1 in. shell above headup to 50 in.1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing/ BoosterDec. of the 8th year from mfg. date13.5 in.19 in.30-100 lbs.< 57 in.3 years and olderMfg Unclear on LATCHmanualutilize an infinite slide harness makes seat ideal for sharing between multiple children.
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EvenfloSymphony 65 E37.25 in.17 in.7 in.7 in.6 in.13 in.23 in. RF / 25 in. FF12.75 in.16-18 in.22 in.20.8 lbs.5-40 lbs.20-65 lbs.19-37 in. and at least 1 in. shell above headup to 50 in.1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing/ BoosterDec. of the 8th year from mfg. date13.5 in.19 in.30-100 lbs.< 57 in.3 years and olderMfg Unclear on LATCHno online manual* Has an increased headwing size over the other symphony models.
* Utilize an infinite slide harness makes seat ideal for sharing between multiple children.

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EvenfloTitan 50 (discontinued)6.5 in. (w/o infant padding)14- 14.5 in.6 in.7.5 in.5.5 in.11 in.23 in.9-12 in.11 in.18 in.5-35 lbs.20- 50 poundsat least 1 in. shell above head47 in. or less1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/Amanual
41
EvenfloTribute V/Sport/Deluxe8 in.14.75 in.4.5 in.6.5 in.6 in.11 in.22.25 in.12 in.11.5 in.17 in.9.6 lbs.5-35 lbs. (older models 5-30 lbs.)20-40 lbs.19-37 in. and at least 1 in. shell above head40 in. or less1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing 6 years from mfg dateN/AN/AN/AN/AN/AN/AmanualThis seat is outgrown quickly both rear- and forward-facing; many children will not reach the stated weight limits in either mode. However, it does tend to fit many newborns well (sometimes requiring a rolled cloth at the crotch buckle to prevent sliding.)
42
EvenfloTriumph (older 40lb version)
(discontinued)
8 in.15.5 in.7 in.8.5 in.21 in.18.6 lbs.5-30 lbs.20-40 lbs.at least 19" tall until 1 in. shell above head40 in. or less1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/Amanual
43
EvenfloTriumph Advance8.5 in. (w/o infant padding)16.5 - 17 in.7 in.8.75 in.5.75 in.12.5 in.23.5 in.13 in.15 in.20 in.19 lbs.5-35 lbs.20-50lbs19-37 in. to head 1 in. below shellLess than 50 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/AmanualInfinite slide harness makes seat ideal for sharing between multiple children. Seat requires tether for installation with forward of the bight buckles.
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EvenfloTriumph 658.5 in. (w/o infant padding)16.5 - 17 in.7 in.8.75 in.5.75 in.12.5 in.23.5 in.13 in.15 in.20 in.19 lbs.5-40 lbs.20-65 lbs.for newer models: 19-37 in. and head 1 in. below shell / for older models: head 1 in. below shell (***see note)Less than 50 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/Amanual* Infinite slide harness makes seat ideal for sharing between multiple
children. Seat requires tether for installation with forward of the
bight buckles.

* Some of the older 65 lb model instructions did not indicate a
rearfacing height limit. They just follow the 1" of hard shell above
head. The newer instructions include a 19-37" height limit and 1" of
hard shell above the head. This change was not retroactive on older
models though. Please check your specific instructions to see if your
seat has the 37" rearfacing height limit.
45
GracoClassic Ride 50 / Ready Ride7.5 in.13.8 in.6 in.8 in.5 in.12 in.22.5 in.12.5 in.11.5 in. at back / 13 in. near front17.825 in.13.13 lbs.4-40 lbs.20-50 lbs.at least 1 in. shell above head/ Shoulders cannot be above top harness slotup to 45 in., ears below top of seat, shoulders not above top slot1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing 7 years (older models are Dec. of the 6th year from mfg. date)N/AN/AN/AN/AN/AN/Amanual
46
GracoComfortSport7.5 in.13.8 in.6 in.8 in.5 in.12 in.22.5 in.12.5 in.11.5 in. at back / 13 in. near front17.825 in.12 lbs.5-30 lbs.20-40 lbs.at least 1 in. shell above head/ Shoulders cannot be above top harness slotup to 40 in., ears below top of seat, shoulders not above top slot1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing 7 years (older models are Dec. of the 6th year from mfg. date)N/AN/AN/AN/AN/AN/Amanual
47
GracoMyRide 657 in. w/ infant insert / 8.5 in. (w/o insert)16.5 in.6.5 in.6.5 in.6 in.12 in.24.5 in.10.5 in.11 in.20 in.15.8 lb.5-40 lbs.20-65 lbs.none statedunder 50 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/AmanualOnly the bottom four harness slots can be used when rearfacing. Only the top harness four slots can be used forward facing.
48
GracoMyRide 707 in. w/ infant insert / 8.5 in. (w/o insert)16.5 in.6.5 in.6.5 in.6 in.12 in.24.5 in.10.5 in.11 in.20 in.15.8 lb.5-40 lbs.20-70 lbs.none statedunder 50 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing 7 years from mfg dateN/AN/AN/AN/AN/AN/AmanualOnly the bottom four harness slots can be used when rearfacing. Only the top harness four slots can be used forward facing.
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GracoSize4Me 70 / My Size 70 / Head Wise 707 in. w/ insert; 8.5 in. w/o insert17.5 in.4 in.6 in.5.25 in.11.5 in.27.5 in. up to red head support adjuster button
9.75 in.13 in.18.5 in. across back / 18 in. at cupholder / 15 in. at base / 11 in. between seat and base at the front and back of seat19 lbs.4-40 lbs.20-70 lbs.Child's head must be at least 1 in. below the bottom of the red head support adjuster button (see comment)
< 52 in. and shoulders below top harness slot and ears below top of head support (previously was <50 in.)none stated (states 20 lbs. and sitting unassisted / stresses AAP recommendations of age 2)Does not have Lock-offsNoneRear facing/ Forward Facing 7 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* Headwise 70 seat has Safety Surround™ Side Impact Protection to the headrest area of the seat.
* Adjustable Head Support should not touch the front vehicle seat when installed rearfacing.
* Crotch strap can be used in either crotch strap position when used rearfacing.
* Uses a Simply Safe Adjust™ harness system, which automatically adjust both the harness and head rest height with no re-threading of the harness
* Graco has changed the rearfacing height limit on all the Size4Me seats, even those with a stated 40" height limit. All seats can be used as long as the child's head has at least 1 in. of clearance below the read head support actuator. (* Graco has changed the rearfacing height limit on all the Size4Me seats, even those with a stated 40" height limit. All seats can be used as long as the child's head has at least 1 in. of clearance below the read head support actuator. (http://blog.gracobaby.com/2012/08/15/big-announcement-all-size4me-70-car-seats-have-extended-height-limits/)
50
GracoSmart Seat All-in-One8.5 in. w/ cushion insert18 in. w/o cushion insert4.25 in.5.5 in.6 in.12 in.23 in. rearfacing / 28.5 in. forward facing & booster mode13.5 in.14-15 in. 19.5 in.Seat:23.8lbs; Base:10lbs; Combined: 33.8lbs5-40 lbs.20-65 lbs.Head at least 1 in. below top of head support<= 50 in. and shoulders below top harness slotat least 1 year old and can sit upright unassistedHas Lock-offsNoneRear facing/ Forward Facing/ Booster10 years from mfg date14 in.19 in.30-100 lbs.<= 57 in. and top of ears below top of booster seatapprox. 3-10 yearsNomanual* Utilizes a stay-in-car base, similar to that used with many infant seat, that must be used when harnessed rearfacing or forward facing. The base does not need to be reinstalled when changing between rearfacing and forward facing mode.
* Extra bases can be purchased for installation in additional vehicles.
* The stay-in-car base is not used in booster mode.
* When rearfacing, you may only use the 3 lowest strap height positions. When forward facing, you may only use the top 4 strap height positions.
* Utilizes a no rethread harness to make harness height adjustments easily.
* For children 40-65 lbs., recline position 1 must be used.
* Seat is NOT certified for use in airplanes.
* When in booster mode, the seatbelt buckle may be difficult to access due to the seat being very wide.
51
Maxi-Cosi (Dorel)Pria5 in. w/ TinyFit18 in. w/o TinyFit
4 in.7 in.5 in.13 in.10 in12 in.20 in.22 lbs. with TinyFit; 20 lbs w/o TinyFit4-40 lbs22-70 lbs.less than 40 in.34-52 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing 6 years from mfg date (stamped on bottom)N/AN/AN/AN/AN/AN/Ano online manual* TinyFit weight limits: must use at 4-18 lbs; optional for 18-22 lbs. as long as child’s head is below top of the TinyFit insert.
* The tiny fit feature makes this seat able to fit very tiny babies and older children. It also makes it possible to install the seat quite upright in the car, but still have your newborn at the correct angle.
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Maxi-Cosi (Dorel)Priori
(discontinued)
7.5 in.16 in.5.5 in.5.5 in.4.75 in.12.5 in.21.5 in.10.5 in.9 in.20 in.5-35 lbs.22-40 lbs19-36 in.34-43 in.1 year and olderHas Lock-offsNoneRear facing/ Forward Facing Dec. of the 5th year from mfg. dateN/AN/AN/AN/AN/AN/AmanualThe lock-off is for forward facing installs only.
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OrbitToddler Seat11.75 in.18.25 in.3.25 in.6.5 in.5 in.12 in.25 in.10 in.18 in.23 lbs.15-35 lbs.25-65 lbs * see commentnone statedless than 50 in. (< 49 in. in Canada) * See Commentat least 1 year of ageHas Lock-offsNoneRearfacing/ Forward Facing 6 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual*Seat is not designed for newborns or young infants.
*Seat can be used in the orbit stroller frame up to the 40 lbs. weight limit of the stroller.
* Seat weight/height limits are retroactive on all models previously sold in the US as discussed in this site: http://www.orbitbaby.com/en/car-seat-weight-rating/. The seat limits were not altered on Canadian seats though. Some older models have starting forward facing weight at 20 lbs. but the G2 version starts at 25 lbs.
54
Peg PeregoPrimo Viaggio Convertible6.5 in. w/ infant insert, 10 in. w/o insert
17 in. w/o insert4.5 in.6 in.5.5 in.12 in.24 in. w/ headrest at top rearfacing position / 26 in. with headrest at top forward facing position12 in.13 in.18.5 at top / 14 in at base21 lbs5 to 45 lbs.22 to 70 lbs.at least 1 in. of headrest above headup to 49 in.has lock-offs for forward facing installsNoneRearfacing/ Forward Facing 7 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* The infant insert is required until the child is 22 lbs.
* The seat has "lockoffs" when forward facing, though the seatbelt must be locked in another manner according to the instructions, and it is not intended to replace a locking retractor or latchplate. Rather it is to add stability and keep the belt in the proper path.
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RecaroComo
(discontinued)
11 in.19 in.6 in.6 in.5.5 in.10 in.26 in.12 in.11 in.19 in.17.4 lbs5-35 lbs.20-70 lbs.up to 34 in.up to 59 in.at least 1 year of ageHas Lock-offsNoneRearfacing/ Forward Facing 6 years from mfg. dateN/AN/AN/AN/AN/AN/AmanualSeat is very narrow in the shoulder area which can be cramped for older child.
56
RecaroEuro (discontinued)10 in.18 in.5.5 in.5.5 in.10 in.25 in.12.5 in.11.5 in.19 in. (bottom) / 17.5 (top)18.2 lbs.5-35 lbs.20-70 lbs.< 22.5 in. seated height / at least 1 in. of shell above headup to 59 in.at least 1 year of ageHas Lock-offs (FF only)NoneRearfacing/ Forward Facing 6 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* Lock-offs are for forward facing only. They provide a rearfacing belt guide, but it is not for locking the seatbelt.
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RecaroPerformance Ride
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RecaroProRide20.2 lbs5-35 lbs.20-70 lbs.< 22.5 in. seated height / at least 1 in. of shell above headless than 50 in. tall1 year and olderHas Lock-offs (FF only)NoneRearfacing/ Forward Facing 6 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* Rearfacing age limit from manual: "The child is LESS than 36 months of age"
* Manual indicates there are forward facing seatbelt lock-offs, but references to the rearfacing lock-offs as belt guides
* When forward facing (from the manual): "If ANY portion of the child’s head exceeds the top edge of the ProRIDE, there must be a vehicle headrest support."
59
RecaroSigno
(discontinued)
10 in.17.5 in.6 in.6 in.5.5 in.11.25 in.26 in.13 in.13 in.19.25 in.21.6 lbs.5-35 lbs.20-70 lbs.at least 1 in. shell above head50 in.1 year and olderHas Lock-offsNoneRearfacing/ Forward Facing 6 years from mfg. dateN/AN/AN/AN/AN/AN/AmanualThe lock-offs on the original Signo are now called 'belt guides' and do not lock the seat belt. The newer Signo G2 does have lock-offs though.
60
Safety 1st (Dorel)Able / Aquos 658.5 in.16.5 in.4.25 in.6.75 in.5.5 in.11.5 in.24 in.10 in.12 in.20 in.18 lbs.5-40 lbs.22-65 lbs.19-40 in. and head not above the top of headrest34-52 in. and ears not above top of headrest and harness slot above child's shoulders1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/Ano online manual* Uses a QuickFit harness system– no rethread harness system, adjusts harness height from the front
in one easy step
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Safety 1st (Dorel)Alpha Elite 65
62
Safety 1st (Dorel)Avenue (discontinued)9.25 in.15.5 in.3.25 in.5.5 in.6.75 in.10.25 in.24.75 in.11.5 in.9.25 in. at back of seat / 12 in. at front of seat18.5 in. w/o cupholder11.5 lbs.5-35 lbs.22-40 lbs.19-36 in.34-43 in.1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing Dec. of the 8th year from mfg. dateN/AN/AN/AN/AN/AN/Ano online manualMay need noodles rear facing. May be installed in recline mode forward facing only if not able to get an acceptable install with it upright.
63
Safety 1st (Dorel)Chart Air 658.5 in.16.5 in.4.25 in.6.75 in.5.5 in.11.5 in.24 in.10 in.12 in.20 in.16 lbs.5-40 lbs.22-65 lbs.19-40 in.34-52 in.1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing Dec. of the 6th year from mfg. dateN/AN/AN/AN/AN/AN/Ano online manual* Metal headrest bar should be above the harness straps
* Headrest pad is removable/washable
* Cupholder can be placed on either side
* Has dual level lines
* Foot prop likes to swing back to RF mode after being handled
64
Safety 1st (Dorel)Complete Air 5010.25 in.17 in.4 in.6 in.6.25 in.12 in.27.5 in12 in.13 in.18.5 in.16 lbs.5-40 lbs.22-50 lbs.19-40 in.34-45 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 8th year from mfg. dateN/AN/AN/AN/AN/AN/Ano online manualAnd the highest harness setting is accurate at 17.5" I put it in the forward-facing, un-reclined mode, and measured to the slot on the shell, not the fabric and came up with the same as PP.
65
Safety 1st (Dorel)Complete Air 6510.25 in.17 in.4 in.6 in.6.25 in.12 in.27.5 in12 in.13 in.18.5 in.15 lbs.5-40 lbs.22-65 lbs.19-40 in.34-52 in. (some earlier models were 34-45 in.)1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing Dec. of the 8th year from mfg. dateN/AN/AN/AN/AN/AN/AmanualThe Complete Air 65 has a modified base which is flatter. This might make it easier to install in some vehicle. The harness straps and strap covers have also been modified on Complete Air 65.
66
Safety 1st (Dorel)Complete Air 70
67
Safety 1stElite Air 80
68
Safety 1st / Eddie Bauer (Dorel)Guide 65/Easy Fit 65 / XRS 659.5 in.17-17.5 in.3.5 in.6 in.4.25 in.11-11.5 in.24.5-25 in.11.5 in.14 in.19 in.12 lbs.5-40 lbs22-65 lbs19-40 in.34-52 in.Does not have Lock-offsNoneRear facing/ Forward Facing N/AN/AN/AN/AN/AN/AmanualDouble check that the forward facing foot is in position after seat is installed. It likes to pop back into rear facing mode while being handled.
69
Safety 1st (Dorel)onSide Air7.5 in.15 in.4 in.6.5 in.4.5 in.11 in.23.5 in.11.5 in.10.5 in.17.5 in / 14 in. (at base)12.1 lbs (in box)5-40 lbs.22-40 lbs.19-40 in.34-43 in.1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing 6 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual
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Safety 1st (Dorel)Uptown
(discontinued)
9.5 in.15 in.4 in.6 in.5 in.12 in.24.25 in.11.5 in.11 in.17.5 in.11 lb.5-35 lbs.22-40 lbs.19-36 in.34-43 in.1 year and olderDoes not have Lock-offsNoneRearfacing/ Forward Facing 8 years from date of manufactureN/AN/AN/AN/AN/AN/Amanual* This seat has 3 crotch buckle positions, but only the inner 2 may be used when rear-facing.
* This seat usually requires a rolled towel or pool noodle chunk(s) to install at an appropriate angle.
* This seat will not fit most newborns well from birth.
71
Sunshine Kids (discontinued - View Diono for newer models)Radian 65
(discontinued)
8.5 in. (w/ memory foam)17.5 in. (w/ memory foam)4 in.7.5 in.25.5 in. (with memory foam)10.5 in.12.5 in.17 in.23 lbs. (w/ rear-facing boot)5-40 lbs. for seats mfg after 9/08; 5-35 lbs. if earlier22-65 lbs.at least 1 in. shell above headup to 53 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing 8 years from manufacture dateN/AN/AN/AN/AN/AN/Amanual* Some manual and label warnings state 20 lbs. minimum for forward-facing; some state 22. Therefore, 22 should be assumed the minimum.
* This seat was RETROACTIVELY rated to 40 lbs. rear-facing. This change applies to U.S. models only. Labels state 35; press release can be accessed at http://www.skjp.com/news_detail.php?cat=press&cid=1665
* Rear-facing boot is a separate piece that must be used for rear-facing, and can make a more upright install difficult in some cars.
* Memory foam comfort pad under the seat may be removed to gain 1/4-1/2 inch extra harness height and shell height if desired.
* An infant and toddler head and body insert cushion (sold separately) is available, and improves the seat fit for newborns and small infants. This seat is suitable for many full-term babies from birth, especially when using the infant support cushion.
* This seat may be used forward-facing with shoulders above the top slots IF child is below maximum weight AND stated height limit, and tops of ears are below the shell of the seat. (Many children do not like this, however.)
* Infant support cushions comes with Radian 80/80SL/XT/XTSL models, and is also available to purchase separately.
72
Sunshine Kids (discontinued - View Diono for newer models)Radian 65SL
(discontinued)
8.5 in. (w/ memory foam)17.5 in. (w/ memory foam)4 in.7.5 in.25.5 in. (with memory foam)10.5 in.12.5 in.17 in.23 lbs. (w/ rear-facing boot)5-40 lbs. for seats mfg after 9/08; 5-35 lbs. if earlier22-65 lbs.at least 1 in. shell above headup to 53 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing 8 years from manufacture dateN/AN/AN/AN/AN/AN/Amanual
73
Sunshine Kids (discontinued - View Diono for newer models)Radian 80
(discontinued)
7.5 in (no infant insert)17 in.3.5 in.6.75 in.4.25-5 in. (the regular and longer)12.5 in.24.25 in.10 in.14 in.17.25 in.5-40 lbs. for seats mfg after 9/08; 5-35 lbs. if earlier20-80 lbup to 53 in.up to 53 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing 8 years from mfg. dateN/AN/AN/AN/AN/AN/AmanualSeat portion is 13 inches wide

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Sunshine Kids (discontinued - View Diono for newer models)Radian 80SL
(discontinued)
7.5 in (no infant insert)17 in.3.5 in.6.75 in.4.25-5 in. (the regular and longer)12.5 in.24.25 in.10 in.14 in.17.25 in.5-45 lbs.20-80 lbup to 53 in.up to 53 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing 8 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual
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Sunshine Kids (discontinued - View Diono for newer models)Radian XTSL
(discontinued)
8.5 in.17 in.3.5 in.7 in.5.5 in.13 in.25 in.10 in.14 in.17 in.25 lb.5-45 lb.20-80 lb.up to 53 in.up to 53 in.1 year and olderDoes not have Lock-offsRF TetherRear facing/ Forward Facing 8 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* MUST use rear facing boot when installing RF. Has recline and upright positions for FF.
* Can use tether RF and can adjust recline by tightening strap. Seat folds for storage and carrying.
* Infant support cushions comes with Radian 80/80SL/XT/XTSL models, and is also available to purchase separately.
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The First YearsTrue Fit C630 (discontinued)7.5 in. w/ infant padding; 9 in. without padding17.5 in.5.25 in.6.5 in.5 in.12 in.19.5 in. to red line / 26.5 in. to top of removable headrest12.5 in.12-15 in.19.5 in.18.5 lb.5-35 lbs.23-65 lbs.head under 1 in. below top of seatup to 50 in.1 year and olderHas Lock-offsNoneRear facing/ Forward Facing 7 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* Removable headrest for rear facing and under 22lbs or under red line provided on seat.
* Recline from 35-45 degrees rearfacing depending on child's age
* Has a no rethread, easy to adjust harness
* Lockoffs must always be used
* Comes with a removable cupholder
77
The First YearsTrue Fit Deluxe/Recline C650 (discontinued)7.5 in. w/ infant padding; 9 in. without padding17.5 in.5.25 in.6.5 in.5 in.12 in.19.5 in. to red line / 26.5 in. to top of removable headrest12.5 in.12-15 in.19.5 in.18.5 lb.5-35 lbs.23-65 lbs.head under 1 in. below top of seatup to 50 in.1 year and olderHas Lock-offsnoneRear facing/ Forward Facing 7 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* The C650 model features smaller bottom rails and a flip foot on the bottom---flip it forward for rear-facing installation and flip it back with your move to the forward-facing installation.
* The C650 includes a center angle indicator in the front of our seat for use when installing in the rear-facing position.
* The LATCH attachments on the C650 have also been moved to make it easier to access.
* Removable headrest for rear facing and under 22lbs or under red line provided on seat. * Recline from 35-45 degrees rearfacing depending on child's age
* Has a no rethread, easy to adjust harness
* Lockoffs must always be used
* Comes with a removable cupholder
78
The First YearsTrue Fit Premier C670 (discontinued)7.5 in. w/ infant padding; 9 in. without padding17.5 in.5.5 in.6.5 in.5 in.12 in.19.5 in. to red line / 26.5 in. to top of removable headrest12.5 in.12-15 in.19.5 in.18.5 lb.5-35 lbs.23-65 lbs.head under 1 in. below top of seatup to 50 in.1 year and olderHas Lock-offsRebound BarRear facing/ Forward Facing 7 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual* Includes Rebound Bar for aiding in limiting seat rebound while installed rearfacing. The rebound bar also provides better access to the harness adjuster strap
* Removable headrest for rear facing and under 22lbs or under red line provided on seat. * Recline from 35-45 degrees rearfacing depending on child's age
* Has a no rethread, easy to adjust harness
* Lockoffs must always be used
* Comes with a removable cupholder
79
TriplePlay/ Lilly GoldSit N Stroll10.5 in14 in.4 in.4 in.22.5 in.18 in.16.5 lbs.5-30 lbs.20-40 lbs.head not above wing height Child's shoulders must be at or below top harness slot1 year and olderDoes not have Lock-offsNoneRear facing/ Forward Facing 6 years from mfg. dateN/AN/AN/AN/AN/AN/Amanual
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Convertible Seats