Hot-dipped galvanized rigid conduit coupling. Heavy coating of zinc inside and out. Steel duct threads are clean and full cut, galvanized after cutting to comply with all UL thread specifications. 1 each. UL (Underwriter\’s Laboratories) listed.
Hot-dipped galvanized rigid conduit coupling. Heavy coating of zinc inside and out. Steel duct threads are clean and full cut, galvanized after cutting to comply with all UL thread specifications. 1 each. UL (Underwriter\’s Laboratories) listed.
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