The product is designed to be used in the prevention, treatment and management of Pressure Ulcers. Mattress operates in an alternating pressure mode. Ideal for use in hospitals, nursing homes and home care. Easy to replace individual bladders. 3-Air cells remain static to enhance patient comfort. LED and Audible alarm activate when pressure falls below 10 mmHg. Cell-on-Cell design prevents the patient from "Bottoming Out" in the event of a power failure. 8 – LPM (Liters per Minute) pump produces consistent air flow. Mattress has 20 air bladders, 9 with laser holes to achieve low air loss function helping to keep the patient cool and speed recovery. 8" cells are constructed with 60% Nylon/40% PU that is soft and lightweight. The zippered Poly/PU cover material is water resistant, vapor permeable and quilted. CPR valves provide fast deflation. Bed not included.