M&g Duravent 6DFA-MS Duraflex Mortar Sleeve, 4-inch

Product Features

• Use to protect DuraFlex when passing length through a masonry wall.
• Construction material: Stainless Steel
• Clearances: 0" to Masonry
• Listings: Listed to UL 1777 and ULC S635
• Manufacturer's Limited Lifetime Warranty