DuraVent FasNSeal Flex 12" x 85' Stainless Steel Custom Flex Length ceramic-glass or plaster to the fireplace

or plaster to the fireplace opening

Model 7LSA Piece/carton 5 Finish Stainless Steel Dimensions 7" (dia

9 1/2 wide

and 50" diameter

9 different timer settings from 30 minutes up to 8 hours

DuraVent FasNSeal Flex 12" x 85' Stainless Steel Custom Flex Length ceramic-glass or plaster to the fireplaceMade 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