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Amazon.com: Britax Infant Car Seat Stroller Adapter for Nuna, Cybex and Maxi Cosi Car Seats, Compatible with Britax Single Strollers Only, 2 Count (Pack of 1) : Baby
CLICK & GO Receivers - B-AGILE DOUBLE | Britax Römer
Britax B-Safe B-Agile Stroller Adapter for Infant Car Seat