DuraVent FasNSeal Flex 4" x 170' Stainless Steel Custom Flex Length d98 U/Hour rating maximum 145

U/Hour rating maximum 145

Mounting brackets and hardware are included for both installations

Dimmable LED Light - Complete flexibility over level of brightness for the right amount of ambience

congenital disabilities

and vibrant lights bring your room to life

DuraVent FasNSeal Flex 4" x 170' Stainless Steel Custom Flex Length d98 U/Hour rating maximum 145Made 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