Aluminum Adapter, 1/2" Male NPT to 1/2" Male NPT | Air & Hydraulic Equipment,Inc.
1-1/2" PVC Male Adapter - Sierra Irrigation
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
Charlotte Pipe 1-1/2 in. PVC Schedule 40 Female S x FPT Adapter PVC021011400HD - The Home Depot
Amazon.com: 1-1/2" Male x 1-1/4" Female Thread Reducer Bushing Pipe Fitting, Adapter, Stainless steel SS 304 NPT : Industrial & Scientific