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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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Pipe Fittings Direct. 2 inch mechant steel full coupling, Class 150, Internal Thread X Internal Thread
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Anvil 8700157954, Steel Pipe Fitting, Coupling, 1/4" NPT Female, Black Finish: Amazon.com: Tools & Home Improvement
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Sigma ProConnex 1-in Zinc-plated Steel Threaded Coupling Conduit Fittings in the Conduit Fittings department at Lowes.com
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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
316 Stainless Steel, 1/4 in x 1/4 in Fitting Pipe Size, Half Coupling - 60VG58|ZUSA-PF-7526 - Grainger
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