Quickun Plastic Hose Barb Fitting, 1/2" Barb to 1/2" Male Thread White Adapter Union Fitting (Pack of 5): Amazon.com: Industrial & Scientific
1/2" Hose Barb x 1/2" MNPT Nylon Male Adapter | U.S. Plastic Corp.
Orbit 1/2 in. PVC Hose Adapter 10118H - The Home Depot
Amazon.com: Antrader Plastic Garden Hose Female Connector, Water Hose Thread Fitting Adapter Set, from Quick Connector to Standard 3/4'' Thread Connector, Black, 10-Pack : Patio, Lawn & Garden
Plastic Hose Barb to Maple Pipe Thread Adapter
Midland Metal Mfg. 31067 Mgh X 1/4 Fip Nylon Adapter, Plastic Fittings, Plastic Garden Hose Fittings, Male Garden Hose X Female Pipe | Blackhawk Supply
Amazon.com: Garden Hose Quick Connectors Male and Female, Plastic Hose Connector with Shut off Valve and Water Stop and Lock Functions, 3/4 Inch Quick Release Kit Hose Fittings and Adapters (5 Sets/10
PVC Barb Hose Fittings Connector Adapter 12mm or 15/32" Barbed x 1/2" G Male Pipe 2pcs - Walmart.com