DuraFlex Smooth Wall Stainless Steel Liner - 5.5" x 25'

This DuraFlex Smooth Wall Stainless Steel Liner - 5.5" diameter x 25' length is designed for relining masonry chimneys serving wood or gas burning appliances. Featuring a smooth inner wall, it minimizes resistance to flue gas flow and makes cleaning easier by eliminating internal ridges. UL 1777 listed for safety and performance, this liner offers a durable, corrosion-resistant solution for improving draft and venting efficiency in both residential and light commercial applications.