The Balanced Aire Self Adjusting foam/air mattress from Drive and Mason Medical provides excellent patient comfort as a powered, air-filled support surface. Providing the patient with the proper support they want and need while aiding in the prevention of pressure ulcers. The Balanced Aire's foam-filled air cells are arranged into three separate zones and are covered by two types of foam for ideal comfort. Plus, the alternating pressure pump converts the Balanced Aire to a dynamic powered system for even greater pressure redistribution and improved circulation. Add an alternating pressure pump and the BalancedAire easily converts to a dynamic powered system for additional pressure redistribution|In addition, the system is sloped downward in the foot section to reduce pressure in the heel zone|Meets Federal Fire Code CFR 16 part 1633|The (12) 5.5" tri-laminated foam filled air cells are separated into three distinct pressure zones, each zone independently self-adjusting to the patient's needs|The Balanced Aire mattress replacement is a powered support surface|The air cells are contained within a high density foam perimeter which creates a smooth transition from the side rail to the air cell