4" x 80' Flex Vent Length

Constructed from UL1738 and ULCS636 listed flexible polypropylene, InnoFlue Flex liners provide a speedy retrofit solution for many tricky venting applications. Handle offsets of up to 45° and utilize existing construction without creating additional roof penetrations. InnoFlue Flex liners are listed zero clearance to combustibles and provide a lightweight and versatile answer to otherwise difficult venting applications.

• Evaluated to UL1738 and ULCS636 by ICC.
• Engineered for quick retrofit applications in existing construction.
• Durable and lightweight.
• Full line of accessories and components make installation simple.
• B-Vent, Chimney, and Component Kits available.