Stick with the Racors and their replacement filters. I have Dual Racors on each engine 500/750 With vacuum gage to tell me when to flip handle to clean filter. You fuel IS the life blood of your engines so don’t go CHEAP on your fuel system Bob Kovach Lying Cockrell Creek Reedville VA Sent from my iPhone Chief Engineer Bob Kovach (KJ4UGE) Onboard M/Y ALLEZ! GOLD LOOPER 5-2-2016 MTOA2631, USCG-CWOA, WRCC, AGLCA-1979, USPS CHARLESTON, S.C.