ResMed AirFit™ N30 is our most popular nasal mask. Small, easy to use and quiet – ResMed AirFit™ N30 is the CPAP mask that discreetly fits into your lifestyle to help you adjust to therapy. Compact, but incredibly soft, nasal cradle cushion that rests under your nose and curves around the nostrils, hugging them and sealing comfortably. The N30 offers QuietAir™ vent technology which breaks up exhaled air to help minimize sleep disruptions. Perfect for side sleepers. This system does not include headgear. Prescription required.