Industrial Grade Air Filter/ Fills are a component of most systems in which air is used for industrial processes, for ventilation, or for comfort air conditioning. The Filter/ Fills have the function of an air filter that is to reduce the concentration of solid particles in the air stream to a level that can be tolerated by the process or space occupancy purpose. The Filter/ Fills are made from polyurethane, zinc or stainless steel medium to trap air borne particles which may clog the operations of weather protected motor. The Industrial Grade Air Filter/ Fills have oil-soaked foam filter used to prevent dirt and dust from getting into a nitro engine.