Spark Arrestors from Kni-Co, simply insert into the end of your stovepipe. Spark Arrestor sizes are actual. For example, if you have five inch nesting stovepipe that starts at five inches at the bottom and ends up being four inches at the top, then you would need a four inch spark arrestor. Please select from the menu below which size of spark arrestor you need.

Total Weight: 2.00 lbs.