Donaldson presents the advanced 4.65-inch Spin-On Secondary Fuel filter, designed for peak performance. With a 5-micron rating (99% Efficiency) and innovative Synteq media, this filter, featuring M90 x 2 thread size, ensures exceptional filtration. Ideal for #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8, it stands at 8.82 inches, delivering reliable protection to your engine.