DuraVent FasNSeal W2 14" 316L Stainless Steel Double-to-Single Wall Pipe Adapter h4.125 24" x 24" Chimney Cap

24" x 24" Chimney Cap With 5/8" Mesh

Weight: 38

2 lbs lava rock (included)

but also makes it stain

DuraVent FasNSeal W2 14" 316L Stainless Steel Double-to-Single Wall Pipe Adapter h4.125 24" x 24" Chimney CapFasNSeal 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