- 24-gauge, economical means to prevent downdraft
- Round version for relining pipe & sealed-end, factory-built chimney
- Rectangle base version for masonry chimneys
- Lifetime Warranty
When using WindBeater on a fireplace flue-READ CAREFULLY
The WindBeater size you use must have a cross-sectional area appropriate for the fireplace.
Cross Sectional Area in square inches: 78.5
And you must use a masonry adaptor wehn mounting to a masonry fireplace flue