EasyPulse Portable Oxygen Concentrator 3 Liter Traction Units Features smooth seamless upholstery that Style:1 Pair (Left & Right) Features smooth seamless upholstery that does not collect fluids and is easily cleaned Infinitely adjustable back * The leg rest extends automatically and three positions can be attained by the user * The non porous blow molded fold down side tray with cup recess can be factory mounted on either side * Each chair in the CareCliner Series features a standard Trendelenberg release with handle accessible from either side * It also has a built in ergonomic headrest adjustable elastic bands on the back frame that provide exceptional comfort and an elastic open seat base * All of these features combine to create the ultimate in comfort durability and value * Weight capacity: 275 Lbs * Seat: 21 Wide * Email address and skype is: medonlineshop (at) hotmail warrants that the Portable Oxygen Concentrator POC (the Product) will be free of defects in workmanship and or material for the following period: Portable Oxygen Concentrator five (5) years from date of shipment * Battery 1 year from date of shipment Contents: EasyPulse POC concentrator Internal lithium ion battery Wall charger Car charger Comfortable carry bag with fully adjustable padded shoulder strap CMV technology delivers therapeutic oxygen to the patient in the first 1 3 of the inspiratory phase for maximum efficiency