DuraVent FasNSeal Flex 4" x 180' Stainless Steel Custom Flex Length d16 Ducted vent trim for front

Ducted vent trim for front discharge using ducted Passive Heat

Model 4SPVL12 / 4SPVBL12 Piece/carton 6 Finish Galvalume / Black Dimensions 4" (dia

Fireplace Dimensions 24

Gas Burner Pan

DuraVent FasNSeal Flex 4" x 180' Stainless Steel Custom Flex Length d16 Ducted vent trim for frontMade 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