Backpack for OxLife Liberty 2 Portable Oxygen Concentrators SFF1001 This updated design features a

This updated design features a more contoured shape to better fit a wider range of users

and advanced convenience features like user-replaceable sieve beds

The Side Cover fits over the slot where the humidifier chamber would usually be installed in the device

These InfinitySeal Full Face Cushions are designed for use with all AirFit F20 & AirFit F20 For Her CPAP/BiLevel Masks

and dual wall nasal pillows so you can sleep comfortably in any position -- including your side or stomach

Backpack for OxLife Liberty 2 Portable Oxygen Concentrators SFF1001 This updated design features aDesigned specifically for the O2 Concepts OxLife Liberty 2 Portable Oxygen Concentrator, the OxLife Liberty 2 Backpack makes carrying your POC more comfortable, convenient, and secure. Whether you're heading out for errands, traveling, or enjoying a day outdoors, this custom fit backpack allows you to carry your concentrator hands free while keeping it protected from everyday bumps and scratches