DuraVent FasNSeal W2 4" 15 Degree 29-4C Stainless Steel Double Wall Elbow 47in Model 451318 Flue Size 13"

Model 451318 Flue Size 13" x 18" Size Width: 11" - 13

Size: 18" Fuel Type: Natural Gas BTU/hr Input: 19

Natural Gas delivers not only the lowest cost of operation but requires no refueling of any type

Pressing the ignition switch to ignite and then turning the control knob you will immediately get rid of coldness outdoors

High quality oxford cloth fabric with PVC coating waterproof and durable

DuraVent FasNSeal W2 4" 15 Degree 29-4C Stainless Steel Double Wall Elbow 47in Model 451318 Flue Size 13"FasNSeal 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