Profile: Ashok Alloy Foundry is a manufacturer, exporter and supplier of a wide range of man coolers & dust collectors. Our products include air circulators, exhaust fans and centrifugal blowers. Roof extractors have a fan unit that is driven by motor and have a weather proof & durable exhaust hood. These are available with durable weather proof exhaust cowl. Our roof extractors are suitable for extraction or air supply through the roof. Our extractors are accumulated at roof level by displacing large quantity of hot air as well as help in including large quantity of fresh air through windows/ventilators.