Universal Mask Liner for Nasal Mask - 4 per pack Travel Device Accessories The cushion sits and seals

The cushion sits and seals at the chin therefore it allows for comfortable jaw movement during sleep

you may also need to purchase the Power Supply Unit for the Respironics machines

Replacement cushion for the ResMed AirFit F40 full face CPAP mask

This item is the replacement headgear for the ResMed AirFit F30 full face mask

Universal Mask Liner for Nasal Mask - 4 per pack Travel Device Accessories The cushion sits and sealsThe Universal Mask Liner for Nasal Mask adds comfort and protection between your CPAP mask and skin. Designed to reduce irritation, leaks, and red marks, these soft reusable liners help improve your mask seal for a more restful and hygienic sleep.