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

Fume exhaust and odor control duct system made from high density polyethylene, polyvinyl chloride, polypropylene, chlorinated polyvinyl chloride, flame retardant polypropylene, electrically conductive flame retardant polypropylene and polyvinylidene fluoride, namely, non-metal duct pipes made from high density polyethylene, polyvinyl chloride, polypropylene, chlorinated polyvinyl chloride, flame retardant polypropylene, electrically conductive flame retardant polypropylene and polyvinylidene fluoride for the exhaust of fumes, gases and odors, non-metal duct pipe connectors made from high density polyethylene, polyvinyl chloride, polypropylene, chlorinated polyvinyl chloride, flame retardant polypropylene, electrically conductive flame retardant polypropylene and polyvinylidene fluoride in the nature of non-metal molded tees for rigid ducts, non-metal molded elbows for rigid ducts, non-metal molded reducers for rigid ducts, non-metal molded laterals for rigid ducts, non-metal wyes for rigid ducts, and non-metal molded end caps for rigid ducts, and non-metal molded roof vents for the exhaust of fumes, gases and odors