Pollutants Like welding fumes, smoke and mist, grinding dust, foundry fumes, solvents, and vapoures.which are present in most industrial environments need to be eliminated by using source extractors, since these pollutants are toxic and hazardous to the workers and also affect the quality of the products. Kirloskar Fume Extractors and Oil Mist Collectors are the only effective solutions to these problems. They improve the working environment and reduce cost of general ventilation by spot exhaustion and cleaning.