Ergonomic task management series with manual control back articulating and height adjustments. Molded polypropylene seat and back pans. Waterfall seat and contour back design. Includes a pneumatic lift, 25" 5-star steel base with polyurethane cover and telescoping cylinder cover. Dual-wheel casters. Chair measures 26"W x 26"D x 38-1/2 to 43"H. Available in Black, Burgundy, Gray and Navy acrylic upholstery. Some assembly is required.