DuraVent FasNSeal 4" 316L Stainless Steel Insulated Wall Thimble With Termination Damper w74.25 Please check with your local

Please check with your local building department or governing agencies for proper approvals before purchasing

(1) Fastener Pack

requires two stage control switch

Curved feet provide a sturdy base with an elegant touch

DuraVent FasNSeal 4" 316L Stainless Steel Insulated Wall Thimble With Termination Damper w74.25 Please check with your localAll 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