Donaldson's Fuel filter, SAE J1985 compliant. The Spin-On design, 3.66-inch diameter, and 5.35-inch length, with 25-micron, 99% efficiency cellulose media, and 1-12 thread size, provides reliable filtration for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.