LTWFITTING 1/2 in. O.D. Comp x 3/4 in. MIP Brass Compression Adapter Fitting (20-Pack) HF6881220 - The Home Depot
U.S. Solid 2pcs Brass Pipe Fitting Adapter, Male Pipe x Female Pipe, 1/2" x 1/
Everbilt 3/4 in. MHT x 3/4 MIP or 1/2 in. FIP Brass Multi Adapter Fitting 801709 - The Home Depot
ANDERSON METALS - Industrial Pipe Adapter: 3/4-14 Female Thread, 1/2-14 Male Thread, MNPT x FNPT - 55540421 - MSC Industrial Supply
Amazon.com: 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) : Industrial & Scientific
1/2" 3/4" BSP Female Male Thread Tee Type Reducing Copper Elbow Butt joint Adapter Adapter Coupler Water Pipe Plumbing Fittings|Pipe Fittings| - AliExpress
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
Brass Water Pipe Male Elbow Adapter Connector 1/2 3/4 1 inch Thread Fittings | eBay
Amazon.com: GESHATEN 3/4” GHT Male x 1/2” NPT Male Connector, Brass Garden Hose Fitting, Adapter, Industrial Metal Brass Garden Hose to Pipe Fittings Connect (2 Pack) : Patio, Lawn & Garden
Brass Pipe Fitting Reducer Adapter 3/4NPT Male x 1/2NPT Female for Water Oil Air Pressure Gauge, Pack of 2 - Walmart.com
Water Line Adapter, 4 PCS Pipe Fittings in 1/2" Female to 3/8" Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet Supply Hose, Stop Valve Adapter, Pipe Connector With Rubber Washer - -
BrassCraft 1/2-in x 3/4-in Threaded Male Hose x Fip Adapter Fitting in the Brass Fittings department at Lowes.com
SharkBite - Reducing Female Adapters - 1/2" x 3/4"