DWC (Double Wall Corrugated) Pipes is a highly Impact Resistence due to it's corrugated external surface that provides great stiffness. It's also Chemical Resistence, Flexible & much Lighter in weight as compare to other. It's specialy designed for Draining Waste, Rain & Sewer water. Manufactured as per IS - 16098 - 2003 standard available in 110MM to 450MM sizes. Pipes vailable in SN-4 & SN-8 class.