Replacement Cushion Compatible with N20 (Large) AirFit AirTouch CPAP Nasal Mask, Premium and Snug Fit, Soft and Durable Material Made of High Grade Liquid Silicone, Latex Free, Snaps in Place and Prevents Slipping and Leaking, Covers Nose, Size Large. Our Large N20 Replacement Cushion has a premium and snug fit to prevent leaks while staying comfortable. The high grade liquid silicon nose cushion covers your only your nose for a snug, light weight, free and comfortable fit. Our cushion is only compatible with N20 AirFit and AirTouch CPAP Nasal masks and to be used with other original parts of the N20 Air Touch or Air Fit mask. It is highly recommended to replace it every 1 month for optimal performance.