DuraVent FasNSeal Flex 6" 316L Stainless Steel Coupler d15.47 Stock Code 18390MBK Size 39"W

Stock Code 18390MBK Size 39"W x 31"H Weight 11 lbs

even when the heat is on high

The simple installation process makes it easy for anyone to set it up themselves

Black and Bronze color options to coordinate your heater with surrounding décor

Adjustable nailing flanges and lightweight design allow for flush wall mounting and quick

DuraVent FasNSeal Flex 6" 316L Stainless Steel Coupler d15.47 Stock Code 18390MBK Size 39"WMade 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