- "Type B" Galvanized Pipe Collar
- May be used as firestop for openings in floors, ceilings and walls
- For approved gas appliances, residential, commercial, industrial
- RV round vent pipe is a listed Type B gas vent pipe
- For gas fired water heaters, furnaces, and space heaters
- For gravity draft venting of "Listed" LP or natural gas burning appliance
- Not for wood, coal or oil fires
- Joint design provides for a rapid and secure connectionin seconds
- Strong durable galvanized outer pipe has internal spacing beadsto assure a uniform insulating air space between pipe walls
- Boxed
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