Philips Respironics EverFlo Home Oxygen Concentrator 5L with OPI, Refurbished Auto CPAP Lasts 3 hours when fully

Lasts 3 hours when fully charged on a setting of 2

The pillow cushion connects smoothly with the rest of the mask and is easy to assemble

POWER Universal Power Supply AC power 100-240V

strong and very user friendly

Philips Respironics EverFlo Home Oxygen Concentrator 5L with OPI, Refurbished Auto CPAP Lasts 3 hours when fullyThis is a refurbished unit. It comes with a 6 month warranty Philips Respironics EverFlo Oxygen Concentrator Until now, oxygen concentrators have been very similar heavy, bulky, noisy, or require frequent maintenance. But EverFlo from Respironics is a unique stationary concentrator that delivers the features homecare providers want and patients deserve. EverFlo reduces operating costs with a design that is: Lightweight only 31 lbs Smaller and sleeker