Proline Series 3/4-in x 3/4-in Threaded Female Hose x Female Hose Adapter Fitting in the Brass Fittings department at Lowes.com
LTWFITTING 3/8 in. x 5/8 in. I.D. Brass Hose Barb Reducer Splicer Fittings (25-Pack) HF3913R100625 - The Home Depot
Amazon.com: SUNGATOR 1/4" Brass Fittings, Air Hose Fittings, 90 Degree Barstock Street Elbow, Hex Nipple Coupling Pipe Fitting Set, 1/4" x 1/4" Female Pipe,1/4" x 1/4" Male Pipe, 1/4" Male x 1/4"
Flexi Hose with 8 Function Nozzle, Lightweight Expandable Garden Hose, No-Kink Flexibility, 3/4 Inch Solid Brass Fittings - Walmart.com