DuraVent FasNSeal 4" x 5" 29-4C Stainless Steel Stepped Increaser protective-covers If you are looking for

If you are looking for an electric heater like this

Traditional Full Refractory Lining

and decorative bronze glass

For use in new installations

Model  Spool Size Line Size PFCT 12225

DuraVent FasNSeal 4" x 5" 29-4C Stainless Steel Stepped Increaser protective-covers If you are looking forAll 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