Alvin Black Premo Office Height Ergonomic Chair
Ergonomic features in a rugged contemporary design this 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 2½" thick. Height adjusts from 16½" to 21½".