DuraVent FasNSeal Flex 12" x 20' Stainless Steel Custom Flex Length h43.375 and when used with your

and when used with your home's primary heating source you'll find you'll be able to raise your room temperature to get a real cozy setting

Model 530011 Clearance Zero/Zero clearance when installed into a masonry chimney and wrapped with a 1/2" ceramic fiber insulation blanket

Sectional overlap of 1"

A realistic fire image

DuraVent FasNSeal Flex 12" x 20' Stainless Steel Custom Flex Length h43.375 and when used with yourMade 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