Donaldson's ISO 19438 approved Spin-On Secondary Fuel filter ensures peak engine performance. Compact at 3.68 inches in diameter and 6.95 inches in length, it achieves a remarkable 3-micron efficiency. Threaded at 1-14, it's designed for various fuels, including #1 or #2 Diesel, Kerosene, Biodiesel up to B20, and JP8.