Philips Respironics EverFlo Q Oxygen Concentrator with OPI Total Face Mask 5 hours when charging 1

5 hours when charging 1 batteryAbout 2

Proprietary cylinder is for use with the DeVilbiss iFill Personal Oxygen Station

Once the headgear fit is set

New swivel connection for improved maneuverability

Optional SmartStart setting begins therapy as soon as you breathe into your mask and stops automatically a few seconds mask is removed

Philips Respironics EverFlo Q Oxygen Concentrator with OPI Total Face Mask 5 hours when charging 1About the Philips Respironics EverFlo Q Oxygen Concentrator The EverFlo Home Oxygen Concentrator from Philips Respironics and Right Fit is lightweight, quiet, and efficient and it uses less power consumption than others of its kind. OPI models incorporate an Oxygen Percentage Indicator (OPI) as an additional safety measure. The OPI utilizes a front facing light that will change to orange and emit an alarm in the event of any deviation from the