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
Melnor Metal Double Female Adapter 59Z FB-HD - The Home Depot
STYDDI Brass Full Flow Garden Hose Quick Release Connect Adaptor Fitting, Full Port Solid Brass Outdoor Water Hose Quick Disconnect Connector Coupler with Male and Female - 3 Sets - Walmart.com