DuraVent FasNSeal W2 7" x 5" 316L Stainless Steel Tapered Reducer w17.75 Model C-48-CR-UB-T2 Material Ceramic

Model C-48-CR-UB-T2 Material Ceramic

while the fins at the top of the Ecofan

Model 517024025KT Clearance UL and ULC listed to 1777 standard

Hard Wired Thermostat Type Electronic/Digital

DuraVent FasNSeal W2 7" x 5" 316L Stainless Steel Tapered Reducer w17.75 Model C-48-CR-UB-T2 Material CeramicFasNSeal 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