ResMed AirFit 30i QuietAir Vent Rotating sleeve: Small component that

Rotating sleeve: Small component that is removed to easily connect to breathing tube

ensuring they are snug but not too tight

lightweight breathing tube for their CPAP therapy

Cushion size is based on the width of your nose (rather than its length)

ResMed AirFit 30i QuietAir Vent Rotating sleeve: Small component thatReplacement QuietAir diffuser vent compatible with the AirFit P30i Nasal Pillows Mask and AirFit N30i Nasal Cradle Mask*. AirFit N30i and P30is QuietAir venting technology gently disperses exhaled air to help you have a more comfortable, quieter, and less disruptive nights sleep. *Applicable to AirFit N30i mask cushions with QuietAir vents.