Compact low maintenance solution with easy out-of-box set up and ultra-quiet operation * Designed to operate 24/7 the truAIRE-5 is the dependable 5-liter oxygen concentrator choice for oxygen patients * Compact and easy to transport * Ultra-quiet operation * Durable double-wobble compressor designed for 24/7 use * Low maintenance * Easy removal and replacement of cabinet and compressor intake filters * 3-Year Limited Warranty *