Philips Respironics EverFlo Concentrator 5L, without OPI - Refurbished Rehab | Mobility All you gotta do is:

All you gotta do is: slip out the used battery and slip in the new/recharged battery

With two sling points

The Amara View Full Face mask features a innovative headgear with four points of adjustment around the mask frame and a fifth point of adjustment using a crown strap at the top of the head

Soft Frame

Keeping a spare filter ensures continuous clean airflow while the other is being cleaned

Philips Respironics EverFlo Concentrator 5L, without OPI - Refurbished Rehab | Mobility All you gotta do is:*Certified Pre Owned with 6 Month Warranty* Main Features Lightweight and easy to transport at 31 pounds Compact, ergonomic design take up less space One of the quietest mainstream concentrators Uses less power and produces less heat Minimal maintenance. Internal filter change about every 2 years *For replacement parts and accessories for the Everflo Oxygen Concentrator click here Everflo Oxygen Concentrator Replacement Parts & Accessories Description