Ergonomically Designed Vinyl Chairs Provide Hours Of Comfortable Seating.
Standard on all ergonomic chairs: 18 sq. seat, 16W x 13H back with 2-1/2 thick foam padding, adjustable seat depth and reinforced black nylon bases with dual-wheel casters. Office chairs have pneumatic height adjustment from 17-1/2 to 22-1/2". Conductive Clean Room models meet Class 100, federal standard 209E. They have a three level filtration system, completely sealed cushions and chrome plated metal parts. Easy assembly.