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Smith Cooper Cast 150# Stainless Steel 1/2 in. Full Coupling Fitting -Socket Weld - John M. Ellsworth Co. Inc.
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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 Industrial Interchange Manual Coupler 1/4 Inch Body Size - Advanced Technology Products
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