ComfiSoft Full Face Cushion for AirTouch & AirFit F30i Series CPAP/BiLevel Masks SFF21002 These batteries are designed for

These batteries are designed for use with all OxLife Liberty Oxygen Concentrators

It is compatible with all H4i Heated Humidifiers as well as HumidAire 3i (H3i) Heated Humidifiers that have been upgraded using the H4i Flip-Top Lid with Seal (Part 26953) or the H3i-to-H4i Upgrade Kit

Premium Headgear is highly resistant to fraying and curling and eliminates the stitching which can cause irritation

AirFit F10's SoftEdge headgear features slim rolled-edge straps that provide support without over-tightening or pinching

anti-static chamber

ComfiSoft Full Face Cushion for AirTouch & AirFit F30i Series CPAP/BiLevel Masks SFF21002 These batteries are designed forResMed's ComfiSoft Full Face Cushions come standard with all AirTouch F30i Full Face CPAP BiPAP Masks. They can also be used as an alternate cushion interface with AirFit F30i and AirFit X30i Masks. F30i ComfiSoft Cushions are available in three sizes SmallWide, Medium and Large.