Meet the Donaldson Water Separator Fuel filter, built to SAE standards - J1488, J1839, and J1985. With a compact design featuring a 3.03-inch outside diameter and 4.51-inch length, this Spin-On filter ensures superior filtration at 25 microns with 99% efficiency. Utilizing cellulose media and an M16 x 1.5 thread size, it ensures optimal performance for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.