Everbilt 3/4 in. MHT x 3/4 MIP or 1/2 in. FIP Brass Multi Adapter Fitting 801709 - The Home Depot
Orbit 3/4 in. Brass Threaded Double Male Hose Connector - Total Qty: 12, Case of: 12 - City Market
Amazon.com: Litorange (2 Pack) Lead-free Brass Garden Hose to Pipe NPT Fitting Connect, Green Thumb Quick Swivel Connector Adapter,Double Male Thread Size GHT 3/4" x 3/4 NPT Male Inch or 1/2" NPT
Buy the Anderson Metals 757486-121208 Double Male Hose Connector 3/4 X 3/4x 1/2 Tap | Hardware World