Fortress 4.5" X 90" Brown Ducting

The LD-122-B 90" Length of Ducting, Brown, 4-1/2" Size, is paintable and has an impressive 0 to 180 Degree Temperature Range. Recently made with a new design, this product features thicker plastic, better heat resistance and better engagement between its top and bottom. With the current desing, this product is backwards compatible, and also helps provide sturdier horizontal installation with a gusset.