Philips Respironics EverFlo Home Oxygen Concentrator 5L with OPI, Refurbished Nasal Pillow Mask A color indicator shows you

A color indicator shows you whether installation was "safe secure" or if you must "re-affix" the grab bar

and irritation on the nose bridge

Designed to give you maximum comfort

- Expiratory Pressure Relief (EPR™)

excessive mask leakage

Philips Respironics EverFlo Home Oxygen Concentrator 5L with OPI, Refurbished Nasal Pillow Mask A color indicator shows youThis 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