ARO standard filter elements are designed to remove dust, dirt, moisture and particulate matter from compressed air systems. These filter elements help maintain the quality of the compressed air and protect downstream equipment. They are used with the brand's 3000 / 1500 / 1000/ 2000 Series air filters. These air elements have polyethylene construction for leakproof operations and corrosion resistance. They feature a filtration rating of 5 microns to prevent dust & debris from entering. These filter elements have coalescing filters to operate in air, water and oil units