Double Stage Mine Ventilators provide sufficient volume flow of air to the underground workings of a mine to dilute and remove noxious gases [typically NOx , SO2 , methane , CO2 and CO ] emit from various equipment that runs on diesel engines. These Mine Ventilators are made from quality grade raw materials to ensure its efficiency. These Mine Ventilators come in compact size and help to decrease the moisture in the air perfectly. These Double Stage Mine Ventilators are very strong which removes the harmful impurities in the air.