DuraVent FasNSeal 4" 29-4C Stainless Steel Patterson Kelly Mach Series Appliance Adapter 409-stainless-steel MFP44 and Custom Units Firebox

MFP44 and Custom Units Firebox Kits

Mantle height = minimum 42”

With its ornamental façade

Optional black steel surround comes in the box – it is up to you if you want to use it or not

Designed specifically for ZCV3622 series fireplaces

DuraVent FasNSeal 4" 29-4C Stainless Steel Patterson Kelly Mach Series Appliance Adapter 409-stainless-steel MFP44 and Custom Units FireboxAll 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