Highlights:
- Inside Diameter: 4″
- Required where vent passes through ceiling
- Centers pipe to provide proper 1″ clearance
- Spacer (for 3″ clearance)
- Cannot be used with other manufacturer systems
- Double wall pipe air insulated design
- 0.012″ 430 stainless steel inner wall
- 0.018″ galvanized steel outer wall
- For use at elevation 4000′ above sea level
Warning: This product can expose you to chemicals including Chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects or other reproductive harm.
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