Proactive Medical Protekt® Aire Low Air Loss and Alternating Pressure Mattress System – Fall Prevention Air Bolster & Power Failure Protection Platform Type_Replacement Cushions Low Elongation: Minimizes bounce and Type_Cryosurgical System Low Elongation: Minimizes bounce and stretch All slings are constructed of polyester fabrics which can be used in wet or dry environments Extended Life Pump Technology: Features integrated Auto Compressor Sleep Technology (ACST) that cycles the compressor off automatically when target inflation levels are met A specialized mechanical one way internal valve ensures that the lower 4 inches of the core air cells remain fully inflated during an unexpected facility power failure or transport disconnection