DuraVent FasNSeal Flex 4" x 185' Stainless Steel Custom Flex Length w21.9 Can be folded to save

Can be folded to save space

18" Mountain Oak Design

This makes it easy to install IgniteXL® almost anywhere

DuraTech can be used with oil and gas fired appliances listed for use with a Type A Chimney

Set up for natural gas but can be converted for liquid propane

DuraVent FasNSeal Flex 4" x 185' Stainless Steel Custom Flex Length w21.9 Can be folded to saveMade 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