The Plumber's Choice 1/2 in. Nominal Fitting x 3 in. Length Brass Compression Coupling Fitting, with Packing Nut

The Plumber's Choice Premium Brass Compression Union is the ideal choice for connecting water lines in your piping systems. It features DZR forged brass body, secure compression joints, easy installation and includes a brass packing nut. Manufactured with the highest quality materials and workmanship, it will serve your plumbing needs faithfully.