Philips Respironics EverFLo home oxygen system Until now, oxygen concentrators have been very similar – heavy, bulky, noisy, or requiring frequent maintenance. EverFlo from Respironics is a unique stationary concentrator that delivers what homecare providers want and patients deserve. Lightweight for easy transport The EverFlo Oxygen concentrator weighs in at only 31 pounds, reducing shipping and storage costs and risk of injury. Compact design looks less like a medical machine EverFlo’s ergonomic design takes up less space and doesn’t draw as much attention. Lower power consumption makes EverFlo patient-friendly The system uses less electricity and produces less heat.