Donaldson Twist&Drain Water Separator Fuel filter, SAE J1985 approved, features a 3.66-inch outside diameter and 8.63-inch length. The Spin-On design, 10-micron rating (99% efficiency), composite media type, and 1-14 UN thread size ensure reliable filtration. Ideal for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.