DuraVent FasNSeal Flex 8" x 170' Stainless Steel Custom Flex Length d16.13 Model SF7-SP1818 Clearance UL and

Model SF7-SP1818 Clearance UL and ULC listed to 1777 standard

*Please Note: Firebox only

12" and 14" sizes)

modern and minimalist look with our premium recess kits

DuraVent FasNSeal Flex 8" x 170' Stainless Steel Custom Flex Length d16.13 Model SF7-SP1818 Clearance UL andMade from super ferritic stainless steel. Corrosion resistant. Manufactured with a sure seal locking seam for superior strength and flexibility. The smooth inner wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. What's