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PVC Barb Hose Fittings Connector Adapter 12mm or 15/32" Barbed x 1/2" G Male Pipe 10pcs - Walmart.com
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Tefen Nylon 6/6 Pipe Fitting, Reducing Coupling, Blue, 1/2" x 3/8" BSPT Female (Pack of 5): Industrial Pipe Fittings: Amazon.com: Tools & Home Improvement
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