Racor - Fuel Filter Water Separator Spin-On Series - 4 Micron - 120ASThe Racor 100 Series features a variety of compact sizes to fit the most cramped engine compartments. All units feature 1 4" 18 NPTF inlet and outlet fuel ports and a unitized mounting bracket. All 100 Series assemblies feature spin on, high capacity, Aquabloc II replaceable filter elements which stop water, remove solid contamination (model 110A is a cartridge element and is available with a 10 micron element only). Filtration needs should be based