Roho Hybrid Elite Cushion Single Valve 18 x17 x4.25 Hydrotherapy 25 * Threaded stem casters: 17170 25 * Threaded stem casters: rustproof 4 inch twin * Depth of seat: 20 inches * Total depth with footrest: 54 16 inch (approx * Combines the suberb skin protection and shape matching ability of ROHO DRY FLOATATION© with the stability of Jay© base technology * This new cushion design allows for improved position and function while maintaining optimal immersion and envelopment of both the ischial tuberosities and greater trochanters * Cushion insert matches the individual s shape by adjusting the amount of air * Air cushion insert is easily cleaned with soap and water Foam base may be wiped with damp cloth * Neoprene rubber cushion insert can be patched or repaired to extend use * Customized Jay foam base and ROHO air insert are fluid resistant * Cushion size: 18 W x17 D * Wide ranges of sizes also available to fit chair widths 14 to 24 upon request * Weight capacity: 550 lbs * HCPCS Suggested Code: E2622 * 2 year warranty