AirFit N20 with headgear Size:Large 63502 They are not interchangeable

They are not interchangeable

lightweight medical-grade plastic for long-lasting performance

and an inner septum bridge membrane that delivers the actual upward-pressing seal against the septum base

Upgrade your CPAP therapy experience with the Philips Respironics Amara View Full Face CPAP Mask

AirFit N20 with headgear Size:Large 63502 They are not interchangeableSleek, soft, and adaptive ResMed's AirFit N20 Nasal CPAP Mask combines an advanced InfinitySeal cushion with a flexible frame, and plush headgear, to deliver superior comfort and a secure seal with a minimal of facial contact. AirFit N20 is available in three sizes to fit a wide range of users. ULTIMATE COMFORT WITH INFINITY SEALAirFit's advanced InfinitySeal nasal cushion features specially designed "infinity" loops with variable thickness levels to