This is a 10 micron, 3/4″ spin-on particulate filter (6 per Case). It uses Cellulose as a filter media and is a 250 series filter. Max flow rate of 25 GPM and max working pressure of 50 PSI. For use with Gasoline, Diesel, Biodiesel blends up to B20, ULSD (Ultra Low Sulfur Diesel), me, and ethanol blends up to 25%. Works on the 50002, 50003, 50181, & 50006 Cimtek adapters.