Product Information Used on: TTMA Flange Select a Product Part NumberMaterialSizeIDODThicknessFuel Compatability 200GTTFBLBaylastâ„¢2"2-5/8"4-1/2"1/8" 300GTTFCBCork/Buna3"3-1/2"5-5/8"1/8"Diesel, USLD, Crude Oil, E10, B2 300GTTFTKPTFE envelope with Klinger Filler3"3-1/2"5-5/8"1/16"Diesel, USLD, Crude Oil, E10, E20, E85, E100, B2, B20, B100 400GTTFCBCork/Buna4"4-9/16"6-5/8"1/8"Diesel, USLD, Crude Oil, E10, B3