Donaldson's Spin-On Secondary Fuel filter, SAE J1985 compliant, features a 3.66-inch diameter and 6.85-inch length, ensuring 99% efficiency at 5 microns. With Meltblown media and an M20 x 1.5 thread size, it provides reliable filtration for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.