Charlotte Pipe 1-1/2" DWV Wye PVC DWV (Drain, Waste and Vent) Schedule 40 (Single Unit) White fittings used in sanitary drain, waste, and vent (DWV), sewer and storm drainage applications Not intended for pressure use For use where systems will not exceed 140&deg; F Lightweight, easy to install Easy to install and Made in the USA. PVC is lightweight, requires no special tools for cutting and is installed by solvent cementing.