Premium Guard PG2222EX 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 Silicone anti-drain back valve with high retention power to help protect the engine during start-ups Silicone gasket unaffected by extreme temps as low as -40 Degree Fahrenheit and as high as 400 Degree Fahrenheit Special powder coating paint to ensure long durability and rough surface for enhanced grip