A new line of standard and custom tank, backshelf, and overhead industrial and laboratory exhaust hoods of plastic construction are designed for removal of heat, fumes, dust, etc. in corrosive environments unsuitable for metal hoods. These hoods are offered in polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), polyethylene (PE), and polypropylene (PP). Accessories and options include internal baffles, perimeter slot, dampered slots, side skirts, and gutter and drain. Kees, Inc., 400 S. Industrial Dr., P.O. Box L, Elkhart Lake, WI 53020; 920-876-3391; 920-876-3065 (fax); www.kees.com (Web site).