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Amazon.com: KOOTANS 3/8 NPT x 1/4 NPT Male Solid Brass Hex Nipples, Heavy Brass Pipe Adapter Fittings Reducing Nipples Connectors 4Pieces : Industrial & Scientific
Legines 90 Degree Brass Street Elbow 1/2" NPT Male x 1/2" NPT Female Forged Pipe Fitting (Pack of 2): Amazon.com: Industrial & Scientific
Amazon.com: G Thread (BSP) to NPT (US Thread) Pipe Fitting Adapter with G Thread Bonded Washer Seal Included 1/2" FG x 1/2" MNPT 2 Pieces : Industrial & Scientific