Copper Immersion Wort Chiller with Garden Hose Fittings 1/2" x 50' | NY Brew Supply
SharkBite 1/4 in. (3/8 in. O.D.) Push-to-Connect x 3/4 in. Garden Hose Thread Brass 90-Degree Dishwasher Elbow Fitting U2276LFA - The Home Depot
QuickFitting 3/4 inch x 1/2 Inch Reducing Coupling | Patented Design for Superior Sealing | Push to Connect Brass Plumbing Pipe Fitting | for Copper, PEX and CPVC | 5-Pack - Amazon.com
Source threaded copper screw fittings water tap hose reducer joint for faucet reduce pipe fitting copper eccentric reducer types socket on m.alibaba.com
Copper Tube Handbook: IX. Flared Joints
EEEkit 3/4inch Copper Garden Hose Repair Connector with Stainless Steel Clamps, Male and Female Garden Hose Fittings, Mender End Repair Kit, Water Hose End Mender, Fit for 3/4inch Hose Fitting - Walmart.com