Safco Products Metro Extended Height Chair 3442GR, Ergonomic, Pneumatic Height Adjustable, Heavily Padded ERGONOMIC, PADDED DESIGN. Safco Metro Extended-Height Chair features a form-fitting contoured back and thickly cushioned seat for all-day comfort. HEIGHT ADJUSTABLE. Pneumatic lever under seat provides easy height adjustment from 23" to 33" for a personalized fit. Seat rotates 360 degrees for ease of motion. ENHANCED FEATURES. Waterfall seat edge and adjustable foot ring may help improve circulation by reducing pressure points in legs while seated. The contoured back and thickly cushioned seat and back add to its ergonomic benefits and comfort. STURDY BASE. Heavy-duty, 5-star base features a chrome finish for a professional appearance. The dual tone swivel wheels work well on carpeting and smooth surfaces for optimum usability. PRODUCT DIMENSIONS. Finished product dimensions: 26"W x 26"D x 49"H.