S. M. Extrusions Pvt. Ltd. Manufactures Polyvinyl Chloride Diffusers with Powder Coating. S. M. Extrusions Pvt. Ltd. Is an ISO 9001:2000 certified company. The company manufactures extruded PVC profiles like PVC eliminators, louvers, frames for eliminators or louvers, diffusers etc. The company also manufactures range of eliminators, louvers and diffusers for humidification, ventilation, air cooling and air washing applications for textile, cement, power, coal and many other diverse industries. The Polyvinyl Chloride Diffusers with Powder Coating are made from the best quality PVC by extrusions and fabricated into square or rectangular diffusers, available without volume control dampers at present. The Polyvinyl Chloride Diffusers is unaffected by moisture and problems caused by corrosion are avoided even when diffusers are installed in humid environment constantly, making unnecessary costly painting, galvanizing or powder coating processes resulting in substantial saving in cost while giving a comparable or better working life.