Air-Cell High Profile Wheelchair Cushion, High Profile Dry Flotation Positioning and Therapeutic Seat with Cover, 22in (W) x 18in (D) x 4.25in (H) (will fit both 22in and 24in wheelchair). Features interconnected air cells (12 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.