Amazon.com : Joywayus 3/4" Barb x 3/4" Female GHT Thread Swivel Hex Brass Garden Water Hose Pipe Connector Copper Fitting with Stainless Clamp House/Boat/Lawn/Power Wash/Irrigation : Patio, Lawn & Garden
Melnor Metal Double Female Adapter 59Z FB-HD - The Home Depot
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
Nelson Brass Double Female Pipe to Hose Connector Fitting - 3/4" NPT X 3/4" Garden Hoses Coupler - Walmart.com