The Supreme Air Alternating Pressure with Low Air Loss mattress system Pressure redistribution for the prevention and treatment of Stages I-IV pressure ulcers. Extremely comfortable and reliable. Built to outperform and outlast other systems on the market. Made specifically for people who spend most of their time in bed and whose condition is long term. User friendly controls and ease of setup make Supreme Air ideal for home use. Fits all standard hospital beds. Supports patients weighing up to 350 lbs Bladders: Alternating Pressure Mattress utilizes 16 independent 8″ deep ventilated low air loss bladders help in the prevention and treatment of pressure ulcers.. Lasered air holes in the sacral and torso areas help reduce excess moisture under patient Constructed of laminated medical grade nylon and (TPU) ensures strength, durability and patient comfort Cover: Vyvex III multi-directional stretch fabric transfers moisture away from the patient''s skin. Low shear, washable, fluid resistant and fire retardant. Cover conforms to the patient. Pump: Alternating Mode provides the therapeutic benefit of reactive hyperemia and redistributes pressure well below 32mmHg. Static mode provides gentle low air loss with constant pressure redistribution and support. Control dial adjusts mattress from soft to firm for patient comfort. Low Pressure Alert and Auto Alarm System offers dual protection Notifies caregiver in case of power outages or accidental disconnection of hoses. Transport locking device: Ensures mattress remains inflated during a power outage or for patient transport. Reinforced hoses prevent air restriction due to kinking. Warranty: 1 Year Pump & Mattress 6 months cover