Vortex Oil Filter - OF311

100% synthetic filter media for superior particle removal and longevity
99% filtration efficiency at 25 microns
Heavy-duty base plate and stamped heavy duty end caps
NBR gasket stays flexible and tightly sealed longer than conventional filters
High-strength filter housing offers superior strength and pressure-fatigue performance
Steel spring securely holds components in place
Louvered center tube inside allows more flow area and eliminates media wear during pleat movement
Premium anti-drainback valve stays flexible in extreme temperatures