DuraVent FasNSeal 4" x 5" 316L Stainless Steel Eccentric Increaser h52 Programmable auto-off timer for shutoff

Programmable auto-off timer for shutoff from 30 min to 7

5 inches of water column pressure

Designed for use with Lo-Rider and Attribute fireboxes

3932 Door Style CV1: Twin full swing trackless

DuraVent FasNSeal 4" x 5" 316L Stainless Steel Eccentric Increaser h52 Programmable auto-off timer for shutoffAll 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