ResMed AirFit F20 Full Face Headgear Size:small which means:

which means:

ALWAYS FOLLOW THE DIRECTIONS FOR USE

but the cushion is only intended to last 30 days before needing to be disposed and replaced

while the lower 2 straps connect to magnets on the base of the mask frame

Can be worn without headgear

ResMed AirFit F20 Full Face Headgear Size:small which means:The AirFit F20 Headgear is a replacement headgear that is used with the following CPAP Mask: AirFit F20 Full Face CPAP Mask with Headgear The AirFit F20 headgear is designed to give the patient that extra softness and stability that is so important for a good fit. The magnetic clips that come with the headgear help to guide the headgear to fit the frame with ease. The headgear is designed to reach above the ears and over the crown of the head before