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Amazon.com: Metal Stainless Steel Pipe Fitting, Coupling, NPT 1/2 x NPT 1/2 Inch Female Pipe 2 Pack : Industrial & Scientific
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Amazon.com: 304 Metal Stainless Steel Pipe Fitting, Coupling, Npt 1/2 x Npt 1/2 Inch Female Pipe 1 Piece : Industrial & Scientific
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The Plumber's Choice 1 -1/2 in. Heavy-Duty Stainless Steel No Hub Shielded Pipe Coupling with Clamps NHCS1 - The Home Depot
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Amazon.com: Carvedexquisitely Stainless Steel Coupling, 304 Stainless Steel Cast Pipe Fittings,1" x 1" NPT Female Thread (Pack of 2) : Industrial & Scientific
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