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Amazon.com: JoyTube 1" Female NPT Coupling, 1-3/4" Length Stainless Steel Coupler Cast Pipe Fitting (Pack of 2) : Industrial & Scientific
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Amazon.com: Beduan Stainless Steel Cast Pipe Fitting, Coupling, 1" x 1" Female Threaded (1-1/2" Length) : Industrial & Scientific
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Horiznext npt 1/2 (means the inner diameter of the thread is 3/4 inch) cast female taper threaded pipe coupling, stainless steel 304 coupler for mush tun cooler and shower hose, 2 pcs - Amazon.com
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Amazon.com: Quickun 304 Stainless Steel Pipe Coupling Fitting, 1" x 1" Female Pipe Coupler Connector Adapter Fitting (1.4" Length) : Industrial & Scientific
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Stainless Steel 304 Cast Pipe Fitting, Coupling, Class 150, 1/2" NPT Female: Industrial Pipe Fittings: Amazon.com: Industrial & Scientific
![SteelTek 1-1/4-in Structural Galvanized Coupling in the Structural Pipe & Fittings department at Lowes.com SteelTek 1-1/4-in Structural Galvanized Coupling in the Structural Pipe & Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/fb67e1ec-5a74-42ae-904d-b655c888cd45/61729176.jpg)