Drive Medical NasalFit Deluxe EZ CPAP Replacement Cushion, Large Unisex which requires one 9V battery

which requires one 9V battery (included)

The AirSep Focus Battery Case is great for carrying and storing your additional AirSep Focus battery

Disposable

while an adjustable width base allows for a proper fit

so if you find you want to try a different size you can simply purchase a new cushion rather than having to buy a whole new mask

Drive Medical NasalFit Deluxe EZ CPAP Replacement Cushion, Large Unisex which requires one 9V batteryReplacement Cushion for the NasalFit Deluxe EZ CPAP Mask. The NasalFit Deluxe EZ has a small surface area which minimizes facial contact to help you feel less confined during CPAP therapy, without compromising fit or performance. Cushions easily replace old worn out pieces to help create an airtight seal.