Quadtro Select 18 x18 x3.25 Mid Profile Wheelchair Cushion Disc Weight Rack Yes Digital MSHQ MENM375 Yes Digital Unit * Provides ultrasound dual channel high volt pulsed DC stimulation and low volt galvanic * Used for iontophoresis * Up to 20 watts of variable or non interrupted ultrasound * High Voltage features reciprocal and ramped surge modes with adjustable surge duration (1 160pps) * Balance Control Feature * Lo Volt Galvanic has constant currentoutput variable surge and continuous mode and reverse polarity * Up to four electrodes * 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 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