DuraVent FasNSeal Flex 4" x 95' Stainless Steel Custom Flex Length d18.5 Non-Combustible Color/Finish Night Shadow Frame

Non-Combustible Color/Finish Night Shadow Frame Style Original Edge Trim Shape & Size 40 Corner (CR) Dimensions A40 x B40 x C31½ x D31½ x E12 x F50

WHERE LAWFUL

And these look particularly fine with copper

Designed with a timer function from 1-12 hours

Calcoat combustion chamber and rolled steel heat exchanger tubes

DuraVent FasNSeal Flex 4" x 95' Stainless Steel Custom Flex Length d18.5 Non-Combustible Color/Finish Night Shadow FrameMade 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