Description The Cim-Tek 30004 (Model E30) Filter Element 30 Micron Particulate Key Features Removes particulates like dirt, dust, & rust For use with gasoline, diesel, biodiesel up to B20, ULSD, ethanol blends up to 15%, and industrial fluids such as lube oils, hydraulic oils, synthetic oils, and many solvents For use with Centurion part 40001, 40013, & 40020