AirSep External Battery Do not track CPAP therapy and compliance to

CPAP therapy and compliance to the CPAP pillows mask users

while the large mask is ideal for facial treatments

AirFit N20 Specifications

Use: Stationary

AirSep External Battery Do not track CPAP therapy and compliance to*All battery purchases are final sale. There are no returns on batteries.* The AirSep External Batteries are the newest product from the line that created the smallest oxygen concentrators on the market. They are compatible with the Focus, Freestyle 3, and Freestyle 5. They are a lightweight, clip on battery and just as convenient as the alternate AirSep AirBelt. The batteries can be charged at the same time in their personal charging dock separate