Condition: Open Box, Store Return; no signs of use; fully tested and working properly ALLEVIATES PRESSURE SPOTS, BEDSORES AND ULCERS: Designed to be used in the prevention, treatment and management of pressure ulcers, spots and bedsores. VARIABLE PRESSURE SETTINGS: Customize the frequency of the alternating inflation and deflation and the overall amount of air pressure for personal comfort. The three air cells at the head of the bed remain static to create a pillow of air. The mattress also has a static setting for general use. ULTRA-QUIET PUMP: The variable pressure pump is ultra-quiet to ensure a peaceful rest.