Mobil 1 M1-601 Extended Performance Oil Filter Provides long-life performance for today's longer drain intervals Effectively removes contaminants, with a 99.6 percentage Multi-Pass Efficiency Rating and an advanced synthetic fiber blend media Holds double the contaminants compared to other filters, with 28.0 grams of total capacity Withstands nine times normal system operating pressure, for exceptional protection up to 615 pascals per square inch Prevents dry starts by eliminating internal leakage during shutdown through the use of a silicone anti-drain back valve (where required by OEM)