- Durable galvanized steel construction
- Use to maintain the proper clearance when passing the pipe through a combustible wall
- For SecureVent pipe with 4 1/2 inch inner diameter and 7 1/2 inch outer diameter
- Measures 16 inches wide by 20 inches tall
- 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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