The ASCO Series 342 Numatics Air Filters are designed to remove oil and water aerosols from compressed air. They come in a variety of filtering capacities of 5, 10, 25 and 50 microns. The filters also feature condensate level control with a manual, semi-automatic, or automatic drain function that is integrated into the filter body. These filters are made to be compatible with main industrial environments with a polycarbonate bowl and a metal bowl protector.