Premium Guard PG9904EX EXtended Performance Oil Filter Extended life filtration media engineered to deliver extended miles of engine protection 99% Multi-Pass efficiency and removal of particles as small as 25 microns Extended Life filtration media delivers up to 10,000 miles* of superior engine protection 99% multi-pass efficiency** removes particles as small as 25 microns High capacity for trapping and holding containments 0.5 mm thick steel cans withstand high pressure operating conditions Rough surface for enhanced grip provided by durable, powder-coated paint All spin-on oil filters are equipped with a relief valve to prevent oil starvation High quality base plate made from galvanized steel Roll tap formed precision thread helps prevent fatigue due to vibration Silicone gasket unaffected by extreme temperatures (-40F to 400F) Silicone anti-drain back valve with high retention power for protection during start-ups