Fortress 3.5" X 90" Brown Ducting

This 90" Length of Ducting, Brown, 3.5" Size is paintable and has an impressive temperature range of 0 to 180 Degrees. This product has now been updated to be made with thicker plastic. The updated product now has better heat resistance and improved engagement between the top and the bottom. With its current design, this product is backwards compatible and provides sturdier horizonal installation with a gusset.