Quadtro Select 18 x18 x3.25 Mid Profile Wheelchair Cushion Hip Knee Post Surgical Prdct No plumbing required * UL Style:Right Ear No plumbing required * UL listed and cUL listed (120 Volt) and miniature enough to be almost invisible behind the ear 8 Lbs * Separated air cells allow air circulation to reach the surface of the skin and provide a cooling environment * Includes QUADTRO SELECT Cushion two way stretch cover hand inflation pump repair kit and operating instructions * 36 Month Limited Warranty * 3 year limited warranty MID PROFILE 3 HIGH * 18 x 18 * Customized fit through the simple push of a knob * The revolutionary ISOFLO© Memory ControlTM offers shape fitting capabilities while the user is seated allowing quick and easy on demand adjustment to maximize function * The QUADTRO SELECT Cushion allows for quick simple position selection for every user while seated * Stability is enhanced by locking the air into place in each of the four quadrants * Easy to handle and carry at just 3