AirFit N20 Cushion (6 Pack) - Medium is backordered and will ship as soon as it is back in stock.
Replacement cushions for the AirFit N20 and the AirFit N20 for Her nasal mask.
The InfinitySeal™ cushion is specially-designed to adapt to different facial features and sleep positions throughout the night, while providing a reliable seal.
AirFit N20 Sizing Guide
AirFit N20 Mask with Headgear
Works great
Do not like the foam, and now I find out replacement cost is high. Not happy.