DuraVent FasNSeal Flex 12" x 120' Stainless Steel Custom Flex Length stainless-steel-weather-door Clever combination of stainless steel

Clever combination of stainless steel sticks secured around an efficient 8L ethanol burner

Model SF65-RED Clearance UL and ULC listed to 1777 standard

The back is heavy vinyl that lays flat and is non-staining and fire -retardant

Height:   5"

DuraVent FasNSeal Flex 12" x 120' Stainless Steel Custom Flex Length stainless-steel-weather-door Clever combination of stainless steelMade 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