GroundWork 5/8 in. Female Hose Adapter at Tractor Supply Co.
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
3/8" Female Flare Swivel x 1/4" Hose Barb - propanegear
Dixon Reusable Fitting 5/16 in. ID x 11/16 in. OD Hose x 1/4 in. Female NPSM Swivel - John M. Ellsworth Co. Inc.
1/2 in x 3/4 in Fitting Size, Female x Female, Swivel, Double Female - 4KG87|4KG87 - Grainger
Nelson Brass Double Female Pipe to Hose Connector Fitting - 3/4" NPT X 3/4" Garden Hoses Coupler - Walmart.com
Melnor Metal Double Female Adapter 59Z FB-HD - The Home Depot
Amazon.com : Fitvell Stainless 1/2" Hose Barb x 3/4" Female GHT Garden Hose Threaded Swivel Connector Repair Fitting for Water Boat Lawn Power Wash Irrigation : Patio, Lawn & Garden
Morvat 3/4 in. Nickel Plated Brass Source Quick Connect/Disconnect Garden Hose Fittings, Female and Male Connections (6-Sets) MOR-NP-SQCONNECTOR-6-A - The Home Depot
Gilmour - Garden Hose Connector: Male Hose to Female Pipe, 3/4″ NH x 3/4″ NPT, Brass - 18045021 - MSC Industrial Supply
M22/14 mm X Female Garden Hose - To Pressure Washer Gun - Heavy Duty Fitting | eBay