ProLine 3/4" Water Meter Coupling. It is made from heavy brass construction with 125 PSI threaded ends that comply with ANSI B2.1. Manufactured to include no more than 0.25 percent weighted average lead content on wetted surfaces. It features a large flow area and a neoprene seal washer. This coupling is used at the water meter for manual cutoff without a meter key. It has a female threaded (nut) side and a male threaded side.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov