MADE OF DURABLE MATERIAL: Adapter made of high-density polyethylene (HDPE) treated with UV inhibitors to prevent fading and cracking. CONNECTS CORRUGATED PIPE TO SEWER & DRAIN PIPE: Connects 4 in. single-wall corrugated pipe to 4 in.
Single-wall corrugated pipe to 4. sewer and drain (S&D) pipe or fitting in non-pressurized drainage and sewer piping systems CONNECTS DRAINAGE SYSTEM COMPONENTS: Use with the EZflow Gravel-Free French Drain System (EZ-1001F) to connect 4.