3 4 dresser coupling galvanized compression coupling galvanized compression dresser 2804004 wal rich 2804004 3 4 ips 2814404 wal rich 2814404 3 4 ips galvanized coupling ing galv dresser coupling style 65l 3 4 smith blair steel dresser coupling 3 blk dresser coupling style 90 reg 3 4 gcc34 braxton harris company dresser coupling for steel pipe dresser type couplings size 3 4 inch