Product Information Material: Aluminum Select a Product Part NumberIntended ServiceInletOutletFlow DN7UOBFGasoline3/4" female NPT13/16" spout18 GPM at 20 PSI DFN100FDiesel1" female NPT1-1/8" spout27 GPM at 20 PSI DN7LOBFDiesel3/4" female NPT15/16" spout23 GPM at 20 PSI