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STZ 3/4 in. Black Iron Coupling 312 CO-34 - The Home Depot
Value Collection Size 3/4 x 1/4", Class 150, Malleable Iron Black Pipe Reducing Coupling 150 psi, Threaded End Connection B240 20X8 - 36990489 - Penn Tool Co., Inc
Smith Cooper 150# Black Malleable Iron 3/4 in. Banded Coupling Pipe Fittings - Threaded - John M. Ellsworth Co. Inc.
Southland 3/4 in. Black Malleable Iron FPT x FPT Coupling Fitting 521-204HN - The Home Depot
Value Collection Size 3/4", Class 300, Malleable Iron Black Pipe Coupling 300 psi, Threaded End Connection B220 20 300# - 36997161 - Penn Tool Co., Inc
Value Collection - Black Coupling: 3/4″ - 61862660 - MSC Industrial Supply
RELIABILT 3/4-in Black Coupling in the Black Pipe & Fittings department at Lowes.com
Buy a 3/4" x 1/2" Black Iron Reducer Coupling | Low Prices