Donaldson's Spin-On Water Separator Fuel filter, meticulously designed with a 3.69-inch outside diameter and a convenient 5.37-inch length. With a 22-micron rating at 99% efficiency, this filter ensures optimal water separation and fuel filtration. The 1-12 thread size makes installation a breeze, and it's compatible with #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.