DuraVent FasNSeal Flex 7" x 45' Stainless Steel Custom Flex Length barrier-kit 6” x W 72” x

6” x W 72” x D 7

Replacement Hardware Bag for 38" Linear Wall-Mount Electric Fireplace

800 square feet

Aside from weight and portability the main difference is size

DuraVent FasNSeal Flex 7" x 45' Stainless Steel Custom Flex Length barrier-kit 6” x W 72” xMade 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