DuraVent FasNSeal 5" 29-4C Stainless Steel Combustion Air Kit h48.5 A 23 3/4" B 11"

A 23 3/4" B 11" C 10 9/10" Technical Dimensions

or need to hide some extra spacing between your insert and the fireplace opening True North has you covered

Product Height (cm) 78

Model SS2020U Outside Tile Size 20" x 20" Fits Outside Tile Size 18

or black porcelain

DuraVent FasNSeal 5" 29-4C Stainless Steel Combustion Air Kit h48.5 A 23 3/4" B 11"All 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