Product Information Material: Aluminum Select a Product Part NumberSealFlange SizeIDWidthFuel Compatability 4-1460-ALBuna-N4" TTMA4" 5201-SFI-3Baylast™3" TTMA3-1/2"3-1/4"Gasoline and diesel, up to E100 and B100 biofuels 5201-SFIBaylast™4" TTMA4-3/8"3-1/4"Gasoline and diesel, up to E100 and B100 biofuels