Mompush Wiz Stroller Car Seat Adapter, Fits Maxi-COSI and Nuna Car Seat, Designed for Mompush Wiz Stroller Only Brand new. This adapter is designed for MOMPUSH Wiz Stroller ONLY (Meteor & Ultimate include adapter). Compatible with popular infant car seat models (see Compatibility Guide under Product Details) SIMPLE & EASY INSTALLATION: To ensure your infant car seat is properly installed on the stroller, make sure it is: Facing the person pushing the stroller and tightly secured to the stroller. MAXIMUM WEIGHT: Only transport infants that are within the size and weight limitations of your infant car seat.