DuraVent FasNSeal Flex 3" x 55' Stainless Steel Custom Flex Length d21 Pine cone with a taller

Pine cone with a taller and thinner profile

Made in the USA of heavy gauge carbon steel producing a timeless rust patina of age over a lifetime

Provides vertical or horizontal support for the DT-M system

Also Available in other models:

All of the required hardware will be included

DuraVent FasNSeal Flex 3" x 55' Stainless Steel Custom Flex Length d21 Pine cone with a tallerMade 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