DuraVent FasNSeal 4" x 7" 316L Stainless Steel Eccentric Increaser h4.375 10 Piece Birch Log Set

10 Piece Birch Log Set

Compatible with DuraVent's DuraTech 5"-8"

Napoleon Straight / Arched iron elements for Elevation X series fireplaces

lively fire

DuraVent FasNSeal 4" x 7" 316L Stainless Steel Eccentric Increaser h4.375 10 Piece Birch Log SetAll 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