5L Everflo Oxygen Concentrator by Philips Respironics | Includes OPI Purity Technology

It is the latest technology introduced by Philips Respironics and has a sleek appearance. The Everflo weighs only 14 kg (31lbs) and is easy to move around the home. No external filters to change or clean. The main choice for home oxygen providers. Prescription Required. We can help :) Specs Dimensions 23" (584 mm) h, 15" (381 mm) w, 9.5" (241 mm) d Sound level 45 dBA typical Storage/transport humidity -30°F to 160°F (-34°C to 71°C) up to 95% relative humidity Input voltage 120 VAC +/- 10% Operating temperature 55°F to 90°F (12°C to 32°C) Weight 31 lbs (14 kg) Input frequency 60 hz Average power consumption 350 watts Oxygen concentration* at 5 lpm 93% (+/- 3%) Liter flow 0.5 to 5 liters per minute Required maintenance Compressor intake filter: change every 2 years OPI alarm levels Low oxygen: 82%, very low oxygen: 70% Operating humidity Up