AirFit F20 / AirTouch F20 Headgear Size:Small a 360° swivel quick-release elbow

a 360° swivel quick-release elbow

and it's on both the ST and ST-A

It features ResMed's InfinitySeal adaptive silicone

the other guards against larger particulate matter

Whether this device and its settings are right for you is your treating physician's decision

AirFit F20 / AirTouch F20 Headgear Size:Small a 360° swivel quick-release elbowReplacement headgear for the AirFit F20 & AirTouch F20 full face masks Magnetic clips for fast, easy fitting and removal Available in Small, Medium and Large The ResMed AirFit F20 AirTouch F20 headgear is the replacement headgear for the AirFit F20 and AirTouch F20 full face masks. It's a minimal contact design that connects to the mask with a single strap over the head, with an extra layer of padding around its circumference for comfort. The pack