Amazon.com: Zkenyao-Brass Connector Fish Tank Adapter 1/2" 3/4" 1" Male Thread Brass Pipe Single Loose Key Swivel Fitting Nut Water Tank Jointer Connector Copper, Simple to Install (Thread Specification : 1") :
Amazon.com: Legines Brass Compression Fitting, 90 Degree Elbow, 5/16" Tube OD x 5/16" Tube OD, Pack of 2 : Industrial & Scientific
Anderson Metals - 07046-0812 Brass Garden Hose Swivel Fitting, Connector, 1/2" Barb x 3/4" Female Hose: Amazon.com: Industrial & Scientific
Apache 39041510 D, S114, 1/2" FNPT, Old Style Cone Male Ball Tip, Hydraulic Adapter: Plumbing Hoses: Amazon.com: Industrial & Scientific