The Protekt Aire 4000 is the 1st defense for facilities 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 * * Features and Benefits for the Mattress & Cover: * 18 laser air holes to keep 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