O2 Concepts Oxlife Liberty 2 Inlet Filter large The solo comes with 6

The solo comes with 6 AA batteries for weighing anywhere

Works with 12V power outputs (car

The elastic opening makes it easy to put on and easy to take off

Asthma Spacers are ideal for most individuals

Lightweight aluminum

O2 Concepts Oxlife Liberty 2 Inlet Filter large The solo comes with 6This replacement inlet filter is designed for the Oxlife Liberty 2 Portable Oxygen Concentrator. It helps protect the device by keeping out dust and debris. The filter is not washable and should be replaced regularlyhow often depends on how long and how frequently the device is used. For best performance, replace the filter as soon as it appears dirty.