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Amazon.com: Fitvell 304 Stainless Steel Nipple Pipe Fitting 1/2" NPT X 1/2" NPT Male Thread Cast Pipe Fittings 2" 50mm Length (pack of 2) : Industrial & Scientific
RS PRO Stainless Steel Pipe Fitting, Straight Circular Barrel Nipple, Male R 3/8in x Male R 3/8in | RS
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