Profile: Metal Joints Manufacturing Private Limited manufactures & supplies exhaust valves and grills. Our products include industrial diffusers, deflection grill, metal joint, duct damper, heavy duty fan,inline fan, jet nozzle, condensation pipes and aluminm butterfly valves. Our ceiling diffuser is used in supply/return air application. It features removable core for easy installation and clearing. Its accessories include opp blade damper and plenum box-top entry connection. Our duct damper is made from high grade galvanizes steel sheets and is used in ducts to control the volume of air smoothly. It is suitable for flanged connection with square/rectangle duct systems.