The GPI 129320-01 is a 10 micron particulate removing spin-on fuel filter. It delivers up to 30 GPM (113 LPM), with 1 1/2 - 16 UNF mounting thread.Max Flow Rate: 30 GPM (113 LPM)Nom. filtration of 10 micronsMounting Thread: 1 1/2 - 16 UNFSpin-on filter