Product Category Three Piece Female NPT Pipe Coupling Adapter. Three piece union couplings are used to join two pipes together using a pulling action while the interior copper gasket forms a leak proof seal.
Connector Material: Brass; Male Thread Size: 1/2 SAE Thread(Actual thread diameter is around 18.9mm); Female Thread Size: 3/8 SAE(Actual thread
PATIKIL 1/2 SAE Male x 3/8 SAE Female Brass Flare Tube Fitting, 2 Pack Pipe Fitting Reducer Gas Adapter Hex Coupling with Tape for Plumbing HVAC Fuel
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LTWFITTING 3/8 in. FIP x 1/8 in. FIP Brass Pipe Reducing Coupling Fitting (5-Pack) HF98R6205 - The Home Depot
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ChillWaves Brass Pipe Fitting, Reducer Hex Coupling 3/8 NPT Female x 1/4 NPT Female Thread Adapter(6-PACK)
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BrassCraft 3/8-in x 3/8-in Threaded Union Fitting in the Brass Fittings department at
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Brass Female-to-Female 3/8 in End A Diameter Threaded Fittings for sale
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Joywayus 3/8 Hose Barb Bulkhead Fitting Thru-Bulk Head Hex Union Brass Fitting with Flat Washer Gasket Water/Fuel/Air (Pack of 2) : Industrial & Scientific
Brass Coupling, Female (3/8-18 NPT) – AGS Company Automotive Solutions