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
2" NPSH Female Pipe x 1.5" NPT Male Hydrant Adapter – FireHoseSupply.com
Bee Valve Poly Male Garden Hose to Female Pipe Thread Adapter - John M. Ellsworth Co. Inc.
G20045 - Jones Stephens G20045 - 1/4" Male Pipe x 3/4" Female Hose Brass Garden Hose Swivel Adapter