Air Cell Wheelchair Cushion 18 x 16 x 2 Wax Baths Refill Wax Power Type:Button Battery Style:Right Ear Power Type:Button Battery Actual chair size 20 x 18 * Combines the stability of a contoured foam base with the therapeutic care for which Roho Dry Flotation cushions are known * Contoured foam base is designed to allow for increased stability for transfers and provides exceptional positioning of the pelvis and lower extremities * Includes: Nexus SPIRIT cushion 2 way stretch cover hand inflation pump repair kit and operating instructions * HCPCS Suggested: E2622 18 x 16 x 2 * Proven design for pressure relief and position equalization * Position equalization results from the variable action of individual air cells * Adjustable air pressure provides relief based on user s individual needs * Easy to use air pump is included * Low surface tension reduces friction and skin shear * Low shear fluid proof cloth cover (not shown) protects against incontinence