- Aluminized inner wall with galvanized steel outer wall
- Secure twist-lock connections
- 4 1/2 inch inner diameter and 7 1/2 inch outer diameter
- "Floating" inner pipe for safety
- 48-inch length
- Limited Lifetime Warranty
*Venting Requirements: This unit requires venting pipe with an inner diameter of 4.5 Inches. Please see the Venting Components section on this page for the venting pipe that must be used with this unit.
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