Round Gas Vent Double Wall Constrution with it's built-in air space, provides permanent insulation and keeps the inner pipe hot and outer relatively cool
- Double Wall Increaser for 4 inch to 5 inch applications.
- Snap together non-positional lock system
- Underwriters Labotories UL 441 and National Fire Protection Agency NFPA 54 and NFPA 211
- Venting gas fired appliances, water heaters, furnaces, stoves, etc.
- LockTab-An alternative method to secure pipe wheen required by local code.
- Outer material 28 gauge galvinized steel
- Inner liner is Aluminum
- Check Appliance Installation Instructions For Details
- Industry Best Warrantty Contact Selkirk For Details
