W/ Heavy Duty Cover. 20 x 18 / 51cm x 45.5cm * By combining a contoured anatomical-shaped foam with a pre-set sealed Air Flotation component the AirLITE� enables users to sit comfortably for an extended time * AirLITE's technology and design provides the comfort you want and the support you need * Durable contoured foam with sealed air support * Lightweight * Fluid resistant * Weight Capacity: 250 lbs * 24-month limited warranty * HCPCS Suggested Code: E2605