NSF No Hub Coupling 1.5″ 2″ 3″ 4″ Cast Iron DWV Pipe Connector | Stainless Steel
This No Hub Coupling is designed for cast iron DWV (Drain, Waste, and Vent) systems. – For Use With: Cast Iron DWV Pipes. ✅ NSF, UPC, and CSA Certified No Hub Coupling. – Certifications: NSF, UPC, CSA.