The ADA Base Stand is designed to support 4' Labconco fume hoods to the ADA Standard for height and knee clearance. It features durable 2" tubular, epoxy-coated steel, glacier white exterior, four fixed leveling feet and epoxy-coated finish panels: two side, one back and one to hide a sink and plumbing mounted on either side. Work surface sold separately. This stand is not compatible with work surfaces that have cupsinks in the rear location.