DuraVent FasNSeal 4" 29-4C Stainless Steel Elbow Appliance Adapter w12.75 Brand DuraVent Series FasNSeal Model

Brand DuraVent Series FasNSeal Model FS43R Product Type Stepped Reducer

Unlike others

Opening to Sidewall 28" Opening to Combustible Trim 12" Opening to Mantle with 8" Depth 16" Noncombustible Hearth Extension 20” in front

Decreasing chimney diameter by even 1” can affect the draft and have a serious negative impact on chimney performance

DuraVent FasNSeal 4" 29-4C Stainless Steel Elbow Appliance Adapter w12.75 Brand DuraVent Series FasNSeal ModelAll FasNSeal (single 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