Accessories We offer a wide range of accessories for the industry: Extractor hood Articulated extractor hood Ductwork Rolled ductwork Elbows Cones Square to round transitions Spiral duct Polyethylene Dampers Air filter cubes Air filter frames Gravity dampers Rotary valves Shut-off valves Special impellers Louvers In addition to: Gear motors Registers Double flap valves Motors Guillotines