Coupling Fitting; Type Reducing; Size A 3 Inch; Size B 2 Inch; End Connection Hub x Hub; Material Type 1 PVC; Material Specification ASTM D1784/D2665; Pressure Rating 2000 PSI at 73 Deg F; Temperature Rating 140 Deg F; Application Commercial, Residential, DWV; Applicable Standard NSF/ANSI 14, UL 94V-0, ISO 9001; Lead-FreeThe NIBCO® PVC DWV coupling is used in residential and commercial drain, waste and vent systems.