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Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
fume exhaust and odor control duct system made from high density polyethylene (hdpe), polyvinyl chloride (pvc), polypropylene (pp/ppd), chlorinated polyvinyl chloride (cpvc) flame retardant polypropylene (pps), electrically conductive flame retardant polypropylene (pps-el) and polyvinylidene fluoride (pvdf), namely dampers, volume sensors and controllers, deflector cowls, exhaust stacks and mufflers; expansion joints; fans; ducts, elbows, flanges, tees, reducers, wyes and other fittings, couplings; end caps, saddles, cleanouts, pipe pieces, blast gates, bird mesh grilles, sockets, clip bands, roof passages, hangers, supports and vibration isolators