Air Pro Plus alternating pressure pad mattress overlay & pump system for the prevention and treatment of pressure ulcers the air Pro Plus goes on top of your existing mattress to create a therapeutic sleep surface in the prevention and treatment of pressure ulcers. The air-pro Plus alternating pressure pad and pump mattress overlay system, features: heavy-duty bubble style pad head & foot flaps quiet alternating pressure pump durable anti-microbial fire-retardant hanger bracket the air-pro alternating pressure pad mattress overlay is constructed from a heavy-duty medical grade PVC with anti-microbial, fire-retardant treatments. The bubble style pad with more touch points for effective weight distribution. Our heavy duty Deluxe bubble style pad comes with head and foot tuck under flaps. The pump includes a foldaway bed hanger bracket. This feature keeps the pump off the floor and reduces any accidental damage. Our easy access filter located on the bottom of the pump reduces any chance of dust particles from entering the pump compressor motor. Air-pro meets California technical Bulletin #117 for fire retardancy.