The the Donaldson Spin-On Fuel filter, crafted to meet SAE J1985 standards. With a compact 3.66-inch diameter and 5.55-inch length, this filter delivers exceptional 99% efficiency at 23 microns. The 15/16-16 thread size ensures easy installation, providing reliable filtration for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8 fuel types.