Hybrid Elite Cushion Dual Valve 17ù w x 17ù d Wheelchairs Reclining 8±3dB Voltage 1 Instrument and Solution Stands 8±3dB Voltage 1 ANALOG (DIAL) READOUT * 100 lb * The heavy duty dynamometer features the hydraulic system that is used in the industry accepted Baseline© and Jamar© hand dynamometers and pinch gauges * Hydraulic system ensures accurate readings * The dynamometer is much lighter (1 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: 17Û W x 17Û D * Fits chair size: 18 W x 18 * Wide ranges of sizes also available to fit chair widths 14 to 24 upon request * Weight capacity: 550 lbs * HCPCS Suggested Code: E2622 Cover with encased comfort foam is machine washable