This type of air filter is connected to the inlet valve of the Ingersoll Rand screw air compressor through the joint and screwed pipe. It can remove the dust or other impurities from the air. This filter applies American HV or Korean AHLSTROM pure wood pulp filter paper. All of its production processes are strictly supervised and guided by our technology department and quality inspection department. As a result, our product is of high quality. It has been highly acclaimed by a majority of users. Any way, the normative operation process and strict quality control system allow the excellent product quality.