DuraVent FasNSeal W2 14" x 12" 29-4C Stainless Steel Double Wall Termination Cone wood-fireplace Direct-Vent systems mount on an

Direct-Vent systems mount on an outside wall and have a vent-within-a-vent system to draw in outdoor air to support combustion and exhaust flue products to the outdoors

and 4500W)

when compared to testing without an Ecofan

Don't heistate to buy it

DuraVent FasNSeal W2 14" x 12" 29-4C Stainless Steel Double Wall Termination Cone wood-fireplace Direct-Vent systems mount on anFasNSeal 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