DuraVent FasNSeal 4" 29-4C Stainless Steel Wall Thimble Sleeve Extension h23.63 Resembling a piece of shining

Resembling a piece of shining modern art

The average spacing between the heaters is 10 feet apart

000 BTU/h (23

Spark Protection

DuraVent FasNSeal 4" 29-4C Stainless Steel Wall Thimble Sleeve Extension h23.63 Resembling a piece of shiningAll 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