DuraVent FasNSeal Flex 7" x 170' Stainless Steel Custom Flex Length w19 the WRT4500 fireplaces feature a

the WRT4500 fireplaces feature a 30″ tall opening and full brick-to-face design with no visible interior sheet metal

Model Echelon II 60 Rev C Gas Fireplace - DV Item Number

to operate as a vent-free heating system

End panels included to allow for 2-sided or 1-sided installation

018" thick G90 Steel for sizes 3" to 14" diameter Clearances 1" Minimum clearance to combustibles for 3" - 24" Degree Angle 45° Diameter 6" Offset 4

DuraVent FasNSeal Flex 7" x 170' Stainless Steel Custom Flex Length w19 the WRT4500 fireplaces feature aMade 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