Bariatric HD Airfloat Air Mattress with PumpDesigned to help prevent and relieve pressure wounds and ulcers Equipped with 16 10 inch pressure cycling air cells, and 4 static cells at the head section Features four inflation modes: alternating cycle, static mode, seat function, and max firm Alternating pressure helps to redistribute weight for improved circulation Static mode provides steady, consistent pressure throughout all air cells Seat function adjusts the alternating air cells for ideal