PREMO Ergonomic Chairs Drafting Height AVAILABLE IN BLACK OR MEDIUM GREY OR BURGUNDY OR NAVY BLUE Incorporating quality ergonomic features in a rugged contemporary design, the PREMO is the ultimate in seating comfort at a reasonable price. Backrest provides solid orthopedic spine support and full-size upholstered seat is contoured for added comfort. Features include pneumatic height control, polypropylene seat and back shells, a height and depth-adjustable backrest with heavy-duty spring tension angle control, dual wheel casters and a 25" diameter reinforced nylon base. Seat cushion is 19"w x 17"d x 3" thick. Backrest is 16"w x 14"h x 21/2" thick. Office model height adjusts from 161/2" to 211/2". Drafting model includes CK49 height extension kit and adjusts from 24" to 29".
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