Roho Hybrid Elite Cushion Single Valve 15 x15 x4.25 Magnifiers * This unit comes standard Ships From:FL, USA * This unit comes standard with specially designed shelves that facilitate the easy removal of the four included glacier packs So whichever mode and volume setting you used last Cover with encased comfort foam is machine washable 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:15 W x 15 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