Combines two clinically effective therapies: True Low Air Loss and Alternating Pressure, in a portable system. An optional pulsating low air loss therapy feature is available. The mattress utilizes 18 independent 9″ deep air cells to provide proper pressure redistribution for the prevention and treatment of Stages I-IV pressure ulcers. The new Power-Pro VW Elite bariatric model combines variable width convenience with durability and wound prevention features. Available in three models to fit the most popular bariatric bed frames. The Power-Pro VW Elite fits 35″, 39″, 42″, 48″ and 54″ bed frames. Supports patients weighing up to 1000 pounds. Audible alarm system alerts caregiver of power outages.