DuraVent FasNSeal W2 4" 29-4C Stainless Steel Adjustable Double Wall Vent Length leg-kit Brand DuraVent Series FasNSeal Flex

Brand DuraVent Series FasNSeal Flex Model 7FSFLEX-70 Product Type Flex Length (Custom)

Model 94204460 Material Aluminum Diameter 4" x 4" Cap Size W 18" x D 18" x H  9" Clearance UL and ULC listed to 1777 standard

50-60º F temperature rise range

Click to see Optional Bowl Cover OPT-CVR-54R

DuraVent FasNSeal W2 4" 29-4C Stainless Steel Adjustable Double Wall Vent Length leg-kit Brand DuraVent Series FasNSeal FlexFasNSeal 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