ResMed AirTouch N30i Cushion Size:Large The AirFit P30i is a

The AirFit P30i is a nasal pillow mask

pressing outward against the nostril walls

Philips Respironics

The AirFit N30 is a nasal cradle CPAP mask designed for nasal breathers who want minimal facial contact

the headgear does not need to be tightened to maintain the seal — the foam fills the contact space

ResMed AirTouch N30i Cushion Size:Large The AirFit P30i is aWhat makes the N30i different from a standard nasal mask Most nasal CPAP masks seal by pressing a cushion against the bridge of the nose, the cheeks, and the area above the upper lip covering the nose entirely and relying on consistent pressure across a large surface to hold the seal. The N30i doesn't work that way. Its cushion is a nasal cradle: a curved piece that sits beneath the nose rather than over it, pressing gently against the soft tissue