Genova Products 70142 Charlotte 2 x 4 Pipe Increaser Reducer DWV (Drain, Waste and Vent) (1 Unit Piece), 4" x 2";

PVC-DWV fittings used for drain, waste, and vent applications. The PVC-DWV fittings meet ASTM standard D2665 and are NSF listed. Fittings are available in 11/2 inch thru 6 inch diameters.