Cim-Tek 70016 Centurion Gilbarco Diesel Filter 400-30, 30 Micron Single Filter 400 Series Spin-on Filters have a high-capacity 1" opening for newer models Has a maximum flow is 25 gpm/93.75 lpm and maximum working pressure of 50 psi/3.4 bar Preferred for heavier distillates such as diesel fuel and fuel oils Made in USA