Back Pack - Inogen One G5 & Rove 6 Sleep Apnea The AirFit N20 Medium is

The AirFit N20 Medium is the standard size for the AirFit N20

Connectivity: Built-in 4G Cellular & Bluetooth®

Do not use this product if you have a known allergy to sesame seeds or Vitamin E

Large (L): Designed for longer or broader facial dimensions

Back Pack - Inogen One G5 & Rove 6 Sleep Apnea The AirFit N20 Medium isBackpack for Inogen One G5 or Rove 6 portable oxygen concentrators. Details: Perfect for use during a round of golf or shopping with friends, this comfortable, lightweight backpack option for your portable oxygen concentrator features wide, adjustable straps, and padded backing to ensure it will rest comfortably against your back during use.