Roho Hybrid Elite Cushion Single Valve 18 x17 x4.25 Hydrotherapy Using the oscillometric blood pressure Select Ear:Left Ear Using the oscillometric blood pressure measurement 1 x Digital Wrist Blood Pressure Monitor & Heart Beat Meter 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: 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