Roho Countour Select Cushion 15 x 15 x 4 Geriatric Chairs 5 cm to 20 in Hip Kits 5 cm to 20 in 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 x 20 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 * The ISOFLO Memory Control unit locks air into each of the four compartments providing stability by minimizing side to side and front to back motion The contoured design combined with the simple operation of the ISOFLO© Memory Control unit offers provides a new level of postural control and stability that has never been achieved in an air cushion