Industrial Seating Conductive Bench Height Chair, Aluminum Base, Footring, Adjustable From 21-31". Options Include Armrests, 2 and 3 Lever Seat Control and more. 15 Year Warranty. - Clean Room Conductive Series 45 A45-VCON SERIES 45 300 pound capacity 18" wide, 17" deep seat 2.5" double density foam 14" high back