It also features a self-ejecting element. Draincock is easy to use. Another factor resulting in less frequent changes is the extra paper in the filter element. Under normal conditions, the element can last up to 40,000 miles. This holds the prime in the fuel system by not allowing flow back to the tank during shut-down.
Less resistance means longer pump and element life.
Marine units ADF75, ADF11 and ADF21 have passed severe U.L. testing and are U.S. Coast Guard accepted for Marine Applications. Tests include fire endurance, vibration fatigue, impact resistance and thermal shock.