All 600 Series spin-on fuel filter/water separators feature multiple fuel ports (4 inlets and 3 outlets) and a unitized mounting bracket for installation convenience. Inlet and outlet threads are 3/8”-18 NPTF for all models. These filter assemblies provide flexibility during mounting and fit any engine application. Additional 600 Series features include spin-on, high-capacity, Aquabloc®II replaceable filter elements which stop water, remove solid contamination, and are available in 2, 10, and 30 micron. Filtration needs should be based on application, fuel quality, operating climates, and maintenance schedules.