Amazon.com: Brass 1/4" Barb X 1/4" NPT Male End Air Hose Pipe Fitting Threaded Connector Adapter, Pack of 5 : Industrial & Scientific
Brass Water Pipe Adaptor | Brass Watering Equipment | Quick Tap Watering Hose - 16mm - Aliexpress
Brass Garden Hose Connector with Stainless Steel Clamps, Male and Female Garden Hose Fittings, 5/8 inch, 3 Sets - U.S. Solid
1pcs Hose Connectors, 2 Parts Brass Hose Tap Connectors 1/2 Inch 20mm to 3/4 Inch 25mm for Kitchen Sink Garden Washing Machine Fittings, Water Hose Pipe Tap Connector Female Threaded Faucet Adapter - Walmart.com