Air-Cell Low Profile Wheelchair Cushion, Low Profile Dry Flotation Positioning and Therapeutic Seat with Cover, 24in (W) x 18in (D) x 2.25in (H) (will fit 24in wheelchair and larger). Features interconnected air cells (13 cells (W) x 10 cells (D)) which provide an adjustable, low deformation, counter-pressure environment that assists in healing of ischemic ulcers. Cushion is provided with inflation pump.