Oxlife Liberty 2 Inlet Filter Oxygen Accessory With two batteries you will

With two batteries you will get up to 2

You need the DeVilbiss iGo2 external battery charger base

3 years (may vary with promotional offers)

that's 3 hours longer than its competitors

Easy to Operate

Oxlife Liberty 2 Inlet Filter Oxygen Accessory With two batteries you willInlet Filter for Oxlife Liberty 2 Portable Oxygen Concentrator Depending on the frequency and duration of use, there will come a time when you need to replace the inlet filter for your Oxlife Liberty 2 portable oxygen machine. O2 Concepts does not have a suggested replacement schedule, as it truly varies based on your usage amount and the environment. The easiest way to tell when it's time to replace the inlet filter is when it's visibly soiled.