Donaldson's Secondary Fuel filter, SAE J1985 approved, ensures quality filtration. With an 8-micron rating (99% Efficiency) using cellulose and meltblown media, this spin-on filter has a 3.58-inch outside diameter, 9-inch length, and M72 x 2 thread size, making it ideal for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.