Amazon.com: Joywayus 1/2" NPT Thread Female × 3/4" G Thread Male Brass Pipe Fitting Adapter : Industrial & Scientific
Feed Water Adapter - 1/2" NPT or 3/8" Compression, 1/4" Quick Connect, – Anchor Water Filters
1/2" 3/4" BSP Female Male Thread Tee Type Reducing Copper Elbow Butt joint Adapter Adapter Coupler Water Pipe Plumbing Fittings - AliExpress
1PCS Brass Garden Hose Tap Connector 1/2 Inch 20mm to 3/4 Inch 25mm Outdoor Threaded Brass Hose Quick Tap Connector Brass Hose Pipe Fittings Water Hose Faucet Adapter - Walmart.com