Choose Donaldson Twist&Drain Water Separator Fuel filter, meeting ISO 19438 standards. With a Spin-On design, 3.03-inch diameter, 4.01-inch length, and 15-micron, 99% efficiency cellulose media, it provides effective filtration for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8, featuring M16 x 1.5 thread size for easy installation.