3" Duravent Duraflex Mortar Sleeve for Chimney Pipe - High-Temperature Resistant Stainless Steel Flue Venting System (3DFS-MS) - Perfect for Wood Stove, Fireplace & Pellet Stove Installations

3" DuraVent DuraFlex Mortar Sleeve - 3DFS-MS

3" DuraFlex Mortar Sleeve is used to protect DuraFlex when passing length through a masonry wall.

WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to .