DuraVent FasNSeal 3" 29-4C Stainless Steel Tee Cap universal-control Adds extra protection from the

Adds extra protection from the elements

Only mix an amount that can be used within 20-30 minutes after adding water as the cement sets up fast

Heritage pattern inset gorgeous woven scroll

what is this and should it be kept or thrown out

DuraVent FasNSeal 3" 29-4C Stainless Steel Tee Cap universal-control Adds extra protection from theAll 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