AirFit N20 Mask Kit for AirMini Machine.AirFit N20 Mask Kit for AirMini user includes the AirFit N20 Nasal mask and tubing specifically designed to be used with an AirMini device. AirFit N20 Nasal mask: ResMed AirFit N20 is a compact nasal mask that offers exceptional fit. Suitable for people who breathe through their nose, it offers comfort and freedom thanks to innovative technology and thoughtful design. Learn more about AirFit N20.Pre-assembled N20 AirMini connectorwhich first connects the mask to AirMini tube. The connector features ActiveAir venting technology, that makes AirMini solutions possible.Flexible AirMini Tube(1.8m)which then connects your N20 to the AirMini device.waterless humidification system that sits directly between you and the vent for effective humidification. Plusis also available for use in drier conditions, such as aircraft cabins.