Cubilan Brass Garden Hose Adapter, 3/4 in. GHT Female x 1/2 in. NPT Male Connector, GHT to NPT Adapter Brass Fitting, Brass B087GKPMVG - The Home Depot
Stainless Steel Barb Hose Connector Adapter 14mm Barbed x G3/8 Female Pipe 2Pcs - Silver Tone - Bed Bath & Beyond - 30220997
Double Female 3/4" NPT x 3/4" NH - North Ridge Fire Equipment
Melnor Metal Double Female Adapter 59Z FB-HD - The Home Depot
Garden Hose Adapter for WM Series Water Meters by Flows.Com
Amazon.com : PLG Solid Brass 3/4 Inch Garden Hose Repair Kit Male and Female Hose End Repair Water Hose Fittings Connector with Stainless Steel Clamp : Patio, Lawn & Garden