DuraVent FasNSeal 9" x 12" 29-4C Stainless Steel Vent Length firegear-stainless-series Its perfect shape

Its perfect shape

UL 641 Color Silver Warranty

75" (C) 4GVRS 4" 4

Use to maintain a 1” clearance with flex sections of DuraLiner

DuraVent FasNSeal 9" x 12" 29-4C Stainless Steel Vent Length firegear-stainless-series Its perfect shapeAll 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