Proline Series 3/4-in x 1/2-in Threaded Female Hose x Mip Adapter Fitting in the Brass Fittings department at Lowes.com
U.S. Solid 2pcs Brass Pipe Fitting Adapter, Male Pipe x Female Pipe, 1/2" x 1/
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
Charlotte Pipe 3/4-in Socket x 1/2-in CPVC Male Adapter in the CPVC Pipe & Fittings department at Lowes.com
3/4" Male x 1/4" Female NPT Hex Bushing Adapter Pipe Reducer Brass Fit – compressor-source
3/4" x 1/2" Schedule 40 PVC Female Adaptor Socket x FPT, 435-101
1/2 MNPT x 3/4 FNPT Straight Hose Adapter | LoCo Science
Tacoma Screw Products | Proto 1/2" F x 3/4" M Socket Adapter — 1/2" Drive
3/4" Female to 1/2" Male BSP Coupler Brass Connector Fitting Union Adapter | eBay
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
Parker - Industrial Pipe Adapter: 1/2″ Female Thread, 3/4-16 Male Thread, Male Straight Thread O-Ring x Female NPTF - 09107921 - MSC Industrial Supply
Aluminum Adapter, 3/4" Male NPT to 1/2" Male NPT | Air & Hydraulic Equipment,Inc.