DuraVent FasNSeal W2 10" x 14" 29-4C Stainless Steel Double-Wall Increaser Wye o60 Big heat right out of

Big heat right out of the box

You can have a mason hand-lay your inner firebrick

this system has been built to withstand years of regular use

none of the fuss

DuraVent FasNSeal W2 10" x 14" 29-4C Stainless Steel Double-Wall Increaser Wye o60 Big heat right out ofFasNSeal W2 (double 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