Roho Hybrid Elite Cushion Single Valve 18 x18 x4.25 Bath Shower Chair Accessories SpO2 and pulse rate can Instrument and Solution Stands SpO2 and pulse rate can be shown correctly when pulse filling ratio is 0 777 Wall Transformer 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 18 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 Cover with encased comfort foam is machine washable