DuraVent FasNSeal W2 6" 29-4C Stainless Steel Universal Appliance Adapter With Test Port w38.13 If you intend to use

If you intend to use this product on wooden or other combustible surfaces

Tip-over protection flameout protection and CSA certification for safety

low noise level

*Note: Hearth pad size is listed is the minimum size required for vertical vented installations

DuraVent FasNSeal W2 6" 29-4C Stainless Steel Universal Appliance Adapter With Test Port w38.13 If you intend to useFasNSeal 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