4" E-Loc Coupling/Connectors from Etco Specialty ProductsE-Loc couplings feature a strong PVC outer shell with a flexible elastomer inner sleeve. This unique lining enables both smooth wall and corrugated duct to be joined together, as well as duct made of different materials. Features:
- Nominal Size:4"
- Standard Duct Size: 4.500" 4" IPS
- Coupling Body OD: 5.563"
- Length: 6"
- Provide both air and water-resistant connections that will not separate during normal installations
- Used to transition from HDPE to PVC, or Steel Threaded Conduit
- NOT For Pulling of HDPE during Boring Process
- Air-Tight and Water-Tight too 200lb. PSI
- Easy to to install.