DuraVent FasNSeal 4" 45 Degree 316L Stainless Steel Elbow d89.4 the best of the best

the best of the best

Solution: Adjust the air control mechanism in order to keep the flue temperature within the comfort zone (between 250 °F and 475 °F) on your chimney thermometer

large tempered-glass viewing windows

Double Walled Design

Cabinet style fireplace door

DuraVent FasNSeal 4" 45 Degree 316L Stainless Steel Elbow d89.4 the best of the bestAll 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