Adapter Fitting Type Female, Straight Size A 3/4 Inch Size B 3/4 Inch End Connection Female Soldered x Female Threaded Material Copper Process Wrot Applicable Standard ASTM, ASME, NSF 61, ISO, CUPC, Warnock Hersey (Canada and US) Outer Diameter Size 7/8 Inch x 3/4 Inch