DuraVent FasNSeal W2 12" 316L Stainless Steel Double Wall Test Port o3 Efficiency Rating: 73

Efficiency Rating: 73

32-11/16" O

CF-20 burners

Chain and Lintel Hook

Model FPL30/36WD16 Size 10" - 21" Quantity 16 pieces

DuraVent FasNSeal W2 12" 316L Stainless Steel Double Wall Test Port o3 Efficiency Rating: 73FasNSeal 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