Unions
DOMESTIC
BLU-3........................................................3/16”
BLU-4........................................................1/4”
BLU-5........................................................5/16”
BLU-6 .......................................................3/8”
BRITISH
BLU-7.......................................................3/16”
EUROPEAN
BLU-8......................................................3/16”
JAPANESE
BLU-9......................................................3/16”
GM
BLU-10....................................................6mm
