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
1-1/2" NPT Pipe Female x 1-1/2" NPSH Male Adapter – FireHoseSupply.com