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Amazon.com: GESHATEN 1/2” G Thread (BSP) Female to 1/2” NPT Male Connector, Brass BSP to NPT Adapter 1/2 Inch, Industrial Metal Brass G Thread to Pipe Fittings Connect (2 Pack) : Industrial & Scientific
Brass Pipe Fittings, Water Hose Adapter, G 1/2 Female to G 3/8 Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer,(2 Pack) - - Amazon.com
Amazon.com: Pipe Fitting 1/2" NPT Male X Metric M20 M20X1 M20X1.0 Male Brass Adapter Straight : Industrial & Scientific
Amazon.com: Tee Pipe Adapter 1/2" Female x 1/2" Male x1/2" Male T Adapter Brass Pipe Fitting Brass Tee Adapter 1/2x 1/2x1/2inch : Industrial & Scientific