The Cim-Tek 70065 dispenser filter removes particulates like dirt, dust and rust. For use with gasoline, diesel, biodiesel blends up to B20, and ULSD fuels. Designed with a Spin-on Filter. Hydrosorb Media is a 30 Micron filter with 1-1/2"-16 UNF. It has a 1" Flow. Model number 400HS-30