Brass Pipe Fitting,3/4 Inch NPT Male to 1/2 Inch NPT Female Brass Pipe Hose Tube Fitting Hex Head Bushing Adapter Convert (3, 1/2 NPT female x 3/4 NPT male) - Amazon.com
3/4" x 1/2" Schedule 40 PVC Female Adaptor Socket x FPT, 435-101
Amazon.com: FangKingNo 10PCS 1/2" to 3/4" PVC Reducing Nipple Male Thread to Male Thread Coupling for PVC PIPE Pressure Fittings,PVC Male Adapter for PVC PIPE Connector White (1/2 Inch to 3/4 Inch) :
3/4 FPT x 1/2" MPT, Brass Pipe Adapter - 3200X12X8 - Hi-Line Inc.
Amazon.com: Joywayus 1/2" NPT Thread Female × 3/4" G Thread Male Brass Pipe Fitting Adapter : Industrial & Scientific
FasParts 3/4 Female NPT to 1/2 Female NPT FIP FPT Reducing Coupling Brass Pipe Fitting Fuel / Air / Water / Boat / Gas / Oil WOG by FASPARTS - Amazon.com
Brass Pipe Fitting,Adapter 3/4”GHT Female Thread (Swivel) x 1/2” NPT Male Threaded Connector,Garden Hose Connector, Garden Hose to Shower adapter,Chrome (3/4GHT female X 1/2NPT male) - Amazon.com
Charlotte Pipe 3/4 in. x 1/2 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 0600HD - The Home Depot
Brass Pipe Fitting,Adapter 3/4”GHT Female Thread (Swivel) x 1/2” NPT Male Threaded Connector,Garden Hose Connector, Garden Hose to Shower adapter,Chrome (3/4GHT female X 1/2NPT male) - Amazon.com
Horiznext npt 1/2-3/4 male to female thread reducer adapter, stainless steel connector for plumbing,shower hose, sink faucet, tub, air water gas line(2 pcs) - Amazon.com