DuraVent FasNSeal 4" 316L Stainless Steel Universal Appliance Adapter btu350000 12 inch / 30

12 inch / 30

Color: Blue Tundra

104134 4RV-4FY 4-Inch (4"x4") 1051343 5RV4-3FY 5-Inch (5"x4"x3") 1051344 5RV4-4FY 5-Inch (5"x4"x4") 105133 5RV3-FY 5-Inch (5"x3") 105134 5RV4-FY 5-Inch (5"x4") 106133 6RV-3FY 6-Inch (6"x3") 106134 6RV-4FY 6-Inch (6"x4") 106135 6RV-5FY 6-Inch (6"x5")

The White Supercast™ finish adds to its allure

DuraVent FasNSeal 4" 316L Stainless Steel Universal Appliance Adapter btu350000 12 inch / 30All FasNSeal (single 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