Westcoast Saw Air Cleaner SystemsWestcoast Saw Air Cleaner System is made from 65 PPI polyurethane foam and polyurethane flange. The 65 PPI polyurethane foam captures dirt and foreign particulates better than paper or gauze, thus offering superior filtration for your chainsaw. We offer several different types of this air cleaner system to fit your specific needs, including Husqvarna air filters and the Stihl MS462. Whether you're a professional or a heavy duty chainsaw user, this