Designed for longer change intervals70 percent more capacity versus leading competitors' averagePerforms at 96 percent single pass efficiency (SPE)Synthetic blend media backed by a metal screen for uniform pleating, durability and optimum oil flowOil that lubricates and cools the engine is picked up by the engine's oil pump, cleaned by the oil filter, and reused. It is vital that any dirt or contamination picked up by the circulating oil be removed before it is pumped back into the engine.