Anderson Metals Brass Garden Hose Fitting, Connector, 3/4" Female Hose ID x 3/4" Male Pipe x 1/2" Tapped Female Pipe: Industrial Pipe Fittings: Amazon.com: Tools & Home Improvement
Amazon.com: Kbrotech Brass Garden Hose Adapter, 3/4”GHT Female x 1/2”NPT Female Connector,GHT to NPT Adapter Brass Fitting,Brass Garden Hose to Pipe Fittings Connect 2pcs : Patio, Lawn & Garden
Proline Series 3/4-in x 3/4-in Threaded Female Hose x Female Hose Adapter Fitting in the Brass Fittings department at Lowes.com