DuraVent FasNSeal 3" x 4" 29-4C Stainless Steel Tapered Increaser h26.38 Model SF6-20CKT Clearance UL and

Model SF6-20CKT Clearance UL and ULC listed to 1777 standard

For use with Superior DRT2040

Increaser (Small End Crimped)

All HP22I insert models are shipped with a free ash vacuum - a $69

DuraVent FasNSeal 3" x 4" 29-4C Stainless Steel Tapered Increaser h26.38 Model SF6-20CKT Clearance UL andAll 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