Comparison : Item # 1317-64-410, 1/8" FPT Coupling Malleable Iron Galvanized Class 150
Item # 1317-64-411, 1/4" FPT Coupling Malleable Iron Galvanized Class 150
Item # 1317-64-412, 3/8" FPT Coupling Malleable Iron Galvanized Class 150
Item # 1317-64-413, 1/2" FPT Coupling Malleable Iron Galvanized Class 150
Item # 1317-64-414, 3/4" FPT Coupling Malleable Iron Galvanized Class 150