DuraVent FasNSeal 3" 316L Stainless Steel Elbow Appliance Adapter w137.25 Features a fully unitized twist-lock

Features a fully unitized twist-lock construction in both 4” x 6 5⁄8” and 5” x 8” vent sizes

we’ve been the global leader in heat protection since 1978

Automatically turns off and on as needed

Wall-Mount Electric Fireplace

DuraVent FasNSeal 3" 316L Stainless Steel Elbow Appliance Adapter w137.25 Features a fully unitized twist-lockAll 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