Donaldson's Secondary Fuel filter, compliant with SAE J1985, features a 3.78-inch outside diameter and 8.7-inch length. With a Spin-On design, 20-micron rating (99% efficiency), cellulose media type, and 7/8-14 thread size, it ensures reliable filtration for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.