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Britax Infant Positioning Insert for Convertible Car SeatsItem # HN-BRX073
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- For use with small infants to achieve snug harness
- Certified for use with Britax car seat models
- For infants weighing 5 to 11 lbs.
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Britax Infant Positioning Insert for Convertible Car Seats
Ensure a snug safety harness fit for your small infant with the Britax Infant Positioning Insert for Convertible Car Seats. Intended for infants weighing 5 to 11 lbs., this insert is certified for use with these Britax convertible car seat models: Roundabout 55, Roundabout 55 Canada, Marathon 70, Marathon 65, Boulevard 70, Boulevard 65, Boulevard 70 CS, Boulevard 65 CS, Advocate 70 CS, and Advocate 65 CS.About BritaxBritax has been a leading innovator in child seat safety and ease of use for over 70 years.