This Intake Filter is designed for use with all Philips Respironics EverFlo and EverFlo Q Oxygen Concentrators. This Intake Filter features a clear top for easy internal filter inspection. The Intake Filter processes air as it enters the EverFlo Oxygen Concentrator.
The Intake Filter is located on the back of the Everflo, behind the panel. This filter should be replaced as necessary, on average every 2 years