Mask Interface - ResMed AirTouch F20 For Her Full Face Mask with No HeadgearThe Mask Interface ResMed AirTouch F20 For Her Full Face Mask with No Headgear is the original replacement for your mask. The product is designed to be replaced on a regular basis to provide the best performance of your mask. Cushions available in 2 different sizes: Small And Medium. This cushion is only compatible with the ResMed AirTouch F20 For Her Full Face Mask. Returns on warranty issues only.

An extra standard battery can provide up to 5 hours of battery life (battery life varies depending on setting and breath rate) giving you more power to explore the world around you

As you know

it adapts to your facial contours without pinching or pressure points

Medium And Large

* Actual product may vary from images shown

Generous top measures 28" L x 15" W

What I mean is

Second - it's portable

Short Charging Adapter Cable for ResMed S9

Make sure the battery is NOT connected to a PAP device while charging via car charger

If you shift onto your side DreamWear’s lower tube compresses to maintain a comfortable seal without pressing into the skin

then you especially value your machine operating at it's very best