- For 4 in. diameter dryer venting
- Helps stop cold air from entering
- Calcium-filled polypropylene construction
- Melting point - 325 degrees F
- Fully assembled damper
- 5 in. W x 5 in. H
- Made in the USA
- Weight: Approximately: .25 pounds
- Shipping Dimensions: Approximately 7 x 5.5 x 2 inches.
- This product cannot be shipped to: CA