Donaldson's Meltblown Spin-On Secondary Fuel filter, compliant with SAE J1985 standards, delivers top-tier engine protection. With a compact 3.66-inch diameter and 6.85-inch length, it efficiently filters down to 5 microns, achieving an impressive 99% efficiency. The M20 x 1.5 thread size ensures easy installation, making it a reliable choice for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.