Quadtro Select Wheelchair Cushion 18 x 18 x 2.25 Muscle Stimulators M 4 Mobile Heating Unit with Parts are DEHP and M 4 Mobile Heating Unit with 8 Oversize & 8 Cervical HotPacs * 110~120 V 50 60 Hz * High quality stainless steel * Thermostatically controlled temperature * 3 (8 cm) swivel type rubber casters for silent friction free movement * Easy maintenance * Simple to fill and drain * No plumbing required * Uses 110 current 12 5 inch 520 x 1 556 x 520 mm 13 * 3 year limited warranty 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 * All Roho Quadtro cushions and covers are available