Canplas 193037 H x H PVC DWV Reduced coupling, 6" x 4", White Injection molded in non-toxic durable White Polyvinyl Chloride (PVC) Service temperature rated at (140F) +60C For use in both the drainage and venting sections of the Plumbing installation High chemical resistance to acids, alkalis, alcohols, Halogens, and other Corrosive med ia Use approved PVC primer and solvent cement to make PVC Jo inlets