DuraVent FasNSeal 4" 316L Stainless Steel Female Flex Adapter w25.75 this insert adds both warmth

this insert adds both warmth and elegance to your space

felt-lined vinyl

Auto-spark ignition for effortless lighting

glass fiber reinforced concrete

Check out the installation video and bulletins

DuraVent FasNSeal 4" 316L Stainless Steel Female Flex Adapter w25.75 this insert adds both warmthAll 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