*/ ACDelco GM Original Equipment PF64 Engine Oil Filter is a high quality product that is designed to provide your engine with clean oil. The oil filter is equipped with 98% multi-pass filtering efficiency at 25-30 microns for excellent filtering capabilities. Additionally, the oil filter has a cellulose media that traps particles 1/3 the width of human hair to help ensure a clean supply of oil to engine components. Finally, the oil filter has a thermosetting adhesive seal to hold filtering media in place and prevent leaks.