Quadtro Select 18 x18 x4.25 Wheelchair Cushion Stand Up Assists Quantifies specific dB and frequency MSHQ WA11730 Quantifies specific dB and frequency hearing loss with precision testing * Offers a full range of frequencies and intensity levels * Frequency modulated stimulus mode for reliable results with children and elderly patients * Condition: new HIGH PROFILE 4 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 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 * Additional sizes available * HCPCS Suggested Code: E2624 * 3 year warranty * All Roho Quadtro cushions and covers are available