ResMed AirFit N20 Classic Frame quattro which sits up to bridge

which sits up to bridge of nose

zippered pouch has ample room to store cables

Advanced circular diffused venting around the mask elbow ensures that Quattro Air For Her delivers quiet mask performance with an average sound level of 28 dBA

The built in humidifier with water chamber tub that sticks out on the side makes it easier to check your water level and refill as opposed to the prior model where a separate casing made you open the device to fill the water chamber or water level mark

Product Manual (English

ResMed AirFit N20 Classic Frame quattro which sits up to bridgeReplacement frame for the AirFit N20 Classic nasal mask. The AirFit N20 Classic mask frame is designed to help you move freely during the night to provide you with uninterrupted therapy.