The Dynarex Bari+Max HD Airfloat Air Mattress with Pump is a top-quality mattress designed to provide secure, reliable support and optimal weight distribution to a wide range of patients up to 1000 lb. This premium mattress features four inflation modes optimal adaptability. Static mode provides steady, consistent pressure throughout all air cells for maximum stability at the current weight setting. Alternating pressure helps to redistribute weight to help improve circulation and alleviate pressure wounds. The seat function provides optimal support and alternating pressure when patients are in an upright position. The max firm feature fills the air cells to the maximum firmness for safe transfers. The Mattress is designed with 16 10-inch alternating air cells, and four static cells at the head section. The Mattress features adjustable air flow to provide customized levels for individualized comfort. Cell-on-cell technology helps to prevent deflation in case of power failure.