Donaldson's Water Separator Fuel filter, meeting JIS D 1611 standards. With a 3.7-inch diameter and 4.72-inch length in a Spin-On design, this filter employs a 10-micron (Beta 75) cellulose media, ensuring reliable filtration for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8. The M20 x 1.5 thread size adds convenience.