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
Cox Hardware and Lumber - Double Female Hose Connector, 3/4 In NPT x 3/4 In NH
Double Female Swivel 1/2" NPT x 3/4" NH - North Ridge Fire Equipment
Amazon.com : M MINGLE Garden Hose Adapter, Female to Female, 3/4 Inch Heavy Duty Brass Connect Fittings with Dual Swivel, Pressure Washer to Garden Hose Connector, 2-Pack with Extra 4 Washers and
Anderson Metals Brass Garden Hose Swivel Fitting, Connector, 3/4 in. Barb x 3/4 in. Female Hose - Walmart.com