DuraVent FasNSeal W2 8" 29-4C Stainless Steel Double Wall Fixed Blade Damper ladder ensuring resistance to rust and

ensuring resistance to rust and scratches while enhancing the overall aesthetic

Despite the misconception that they are purely decorative

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375" (B) x 20

DuraVent FasNSeal W2 8" 29-4C Stainless Steel Double Wall Fixed Blade Damper ladder ensuring resistance to rust andFasNSeal 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