Has an anti-drain valveGasket I.D. is 2.47" and Gasket O.D. is 2.75"Gasket thickness is .19"Product height is 3.34"Product I.D. is 3/4-16 thread and Product O.D. is 2.98"Oil that lubricates and cools the engine is picked up by theengine's oil pump, cleaned by the oil filter, and reused. It isvital that any dirt or contamination picked up by the circulatingoil be removed before it is pumped back into the engine.Long-life silicone anti-drainback valveSynthetic blend media backed by a metal screen for uniformpleating, durability and optimum oil flowPerforms at 96% Single Pass Efficiency (SPE)70% more capacity versus leading competitors' averageDesigned for longer change intervals