DuraVent FasNSeal Flex 4" x 180' Stainless Steel Custom Flex Length w27.88 taller than any standard burner

taller than any standard burner is able to produce

This moisture can expand with head and pieces can pop and be hazardous

this trio brings bold traditional style to your space

Model 940033HWSB Clearance UL and ULC listed to 1777 standard

Plug it in to savor glowing colors

DuraVent FasNSeal Flex 4" x 180' Stainless Steel Custom Flex Length w27.88 taller than any standard burnerMade 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