The 1st defense to treat pressure ulcers stages I-IV. The high volume user-friendly pump combines low air loss and alternating pressure in one unit. The air flow and pressure range can be customized according to each individual patient's weight. The "static" mode provides firm support for easy patient transfer. The mattress is comprised of (20) 8" air bladders that allow for deep immersion and excellent pressure redistribution. The top cover is quilted for added patient comfort.Mattress & Cover8 laser air holes to keep the patient cool and dry.Removable, water-resistant, non-shear, anti-microbial nylon cover is quilted for extra comfort.CPR valve provides rapid deflation of mattress Non-skid cover prevents the mattress from slipping.Dimensions: 35"x80"x8"Weight: 9 lbs Alternating cell depth: 8" High flow pump with 8 liters of air per minute.Adjustable comfort settings allow pressure to be customized according to each patient's therapeutic requirements.Low-pressure alarm indicates when the pumps airflow may be compromised.Low-pressure alarm mute button.Static function for safe and easy patient transfer.UL/CSA approved power cord.Weight Capacity: 350 lbs.Dimension: 11"x8"x4".Weight: 6.2 lbs.18-month warranty.