DuraVent FasNSeal 4" X 10" 316L Stainless Steel Single-Wall Increaser Wye btu13700 Innsbrook Vent-Free inserts feature Banded

Innsbrook Vent-Free inserts feature Banded Brick Liners

Vent-Free Fireplace

12 Durable impact resistant acrylic bulbs won't break if dropped stepped on or blown around in the wind

Model Number FLK4040BLK Catalog Number F4319 Finish Blackstone Stacked Ceramic Size 40"

Recommended spacing is 6ft

DuraVent FasNSeal 4" X 10" 316L Stainless Steel Single-Wall Increaser Wye btu13700 Innsbrook Vent-Free inserts feature BandedAll 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