DuraVent FasNSeal W2 12" x 36" 29-4C Stainless Steel Double Wall Vent Length opti-myst-pro The lean-to arrangement makes the

The lean-to arrangement makes the flame slightly more rectangular and spread out along the main large log at the bottom

Heat treated aluminized steel combustion chamber

and flame supervision of a hearth appliance

500BTU Average Heat 1152 sq

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DuraVent FasNSeal W2 12" x 36" 29-4C Stainless Steel Double Wall Vent Length opti-myst-pro The lean-to arrangement makes theFasNSeal W2 (double wall) vent lengths and components feature patented built in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90 from mechanical locking bands. This construction feature allows for ease of installation. The air space between the inner and outer wall on FasNSeal W2 helps to reduce the clearance to combustibles in addition to creating a heat shield