ResMed Airfit N30 Cushion Replacement Small 64213

Small - 64213. Airfit N30 Cushion Cradle Replacement by ResMed. The Airfit N30 cradle cushion which is made of soft silicone, sits softly under your nostrils and curves around the sides of your nose like a crescent to help prevent air leaks while conforming itself to your nose.The soft silicone is thinner against the nostrils and more substantial near the interface for support.