Apollo 3/4 in. Brass PEX-B Barb x 1/2 in. Male Pipe Thread Reducing Adapter APXMA1234 - The Home Depot
Amazon.com: Sunex 2302, 1/2 Inch Drive, 1/2" Female x 3/4" Male Impact Adapter, Cr-Mo Steel, Ball Detent, Tapered Square End, Meets ANSI Standards : Tools & Home Improvement
HOME-FLEX 3/4 in. CSST x 1/2 in. NPT Brass Reducing Adapter 11-429-101 - The Home Depot
3/4 FPT x 1/2" MPT, Brass Pipe Adapter - 3200X12X8 - Hi-Line Inc.
1/2" Male SAE X 3/4" Male NPT Adapter | Calóre Equipment
Amazon.com: 1/2” G Thread (BSP) Female to 3/4” GHT Male Connector, Brass BSP to Garden Hose Adapter, Industrial Metal Brass G Thread to Garden Hose Connect (3 Pack) : Patio, Lawn & Garden