Pneumatic Stool w o Back Aluminum Base Mirrors Backlight ON OFF selection Color:Yellow Backlight ON OFF selection 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 load capacity under normal use Premium 23 die cast aluminum base with satin finish top * 5 leg design for greater stability * Full size diameter top and base for comfort and stability * 4 thick seat for extra comfort * Black hooded dual wheel nylon casters * Pneumatic height adjustment * All seats have 3 4 thick solid plywood base * Lever controls height * Knock down design saves on shipping * Easy no tools required assembly * Premium stain resistant woven knit backed vinyl upholstery * 250 lbs