The Cim-Tek Filtration Particulate Filter Kit is used to remove dirt, rust, etc. from fuel. The particulate filter is used with gasoline, diesel, biodiesel blends up to B20, and ultra-low sulfur diesel. The filter features 10 micron cellulose media. This fuel filter is for use with above ground tanks and transfer tanks. Filters are necessary for keeping dirt, dust and rust out of your engine, protecting your engine for years to come. The kit contains a 72010 fuel filter and 52002 adaptor.