Anderson Metals Brass Garden Hose Fitting, Connector, 3/4" Female Hose ID x 3/4" Male Pipe x 1/2" Tapped Female Pipe: Industrial Pipe Fittings: Amazon.com: Tools & Home Improvement
LTWFITTING 3/4 in. I.D. Brass Hose Barb Splicer Fittings (5-Pack) HF39131205 - The Home Depot