Apollo 3/4 in. Brass PEX-B Barb x 3/4 in. Female Pipe Thread Adapter APXFA3434 - The Home Depot
Amazon.com: Brass Adapter Nipple 3/4" Male x 1“ Female Pipe Fitting NPT Brass Adapter 3/4 inch x 1inch Female : Patio, Lawn & Garden
AC WORKS 1.5ft NEMA 14-30P to NEMA 10-30R 30-Amp 4-wire To 3-wire Grounding Single To Single Black Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com
G Thread (Metric BSPP) Female to NPT Male Adapter - Lead Free (3/4" x – Cascada Showers
3/4" x 1/2" Schedule 40 PVC Female Adaptor Socket x FPT, 435-101
Dinkum Systems Adapter Screw - 1/4" to 3/8" 3075 B&H Photo Video