DuraVent 4"-12" Inner Diameter DuraFlex Sleeve
- FREE SHIPPING : All Over United States over $300
- NO SALES TAX : All USA Orders/except WI
- SPEAK TO AN EXPERT : Call 888-486-2909 or email at cs@dreamwoodliving.com
The DuraVent 4"-12" Inner Diameter DuraFlex Sleeve is a durable chimney liner accessory designed to provide added protection and support for DuraFlex stainless steel chimney liner systems. Engineered for use in masonry chimney relining applications, this sleeve helps protect flexible liners while maintaining proper chimney draft, airflow, and venting performance. It is compatible with DuraFlex liner solutions used for wood-burning fireplaces, inserts, non-condensing gas, and oil-fired appliances.
Built to complement DuraFlex 304, DuraFlex 316, DuraFlex Pro, and DuraFlex SW chimney liners, the DuraFlex Sleeve offers reliable performance and long-term durability. Its quality construction makes it an ideal choice for fireplace venting systems, chimney restoration projects, and professional stainless steel liner installations requiring dependable protection and efficiency.
| Model | Size |
| 4DFS-SLV | 4" (I.D) x 4.333" (O.D) x 4.5" (H) |
| 5DFS-SLV | 5" (I.D) x 5.333" (O.D) x 4.5" (H) |
| 55DFS-SLV | 5.5" (I.D) x 5.75" (O.D) x 4.5" (H) |
| 6DFS-SLV | 6" (I.D) x 6.333" (O.D) x 4.5" (H) |
| 7DFS-SLV | 7" (I.D) x 7.5" (O.D) x 4.5" (H) |
| 8DFS-SLV | 8" (I.D) x 8.3" (O.D) x 4.5" (H) |
| 10DFS-SLV | 10" (I.D) x 10.3" (O.D) x 4.5" (H) |
| 12DFS-SLV | 12" (I.D) x 12.25" (O.D) x 4.5" (H) |
| Construction | Single-Wall |
| Clearance | 0” clearance for gas, oil, and pellet applications. |
| Clearance | 1” clearance to masonry for wood-burning |
| Listings | Listed to UL 1777 and ULC S635 (MH45609). |
| Warranty | Limited lifetime warranty |