DuraVent FasNSeal 4" X 10" 316L Stainless Steel Single-Wall Increaser Wye d18.94 Non-Combustible Color/Finish Volcanic Sand Frame

Non-Combustible Color/Finish Volcanic Sand Frame Style Original Edge Trim Shape & Size 48 Corner (CR) Dimensions A48 x B48 x C37½ x D37½ x E15 x F60

which means it works well with most fire features

When turquoise is used as the dominant color in a room

Click to see DF-AFS24 FireStones Beige FireStones

For use with 4 Inch x 7 Inch Flexible Direct Vent

DuraVent FasNSeal 4" X 10" 316L Stainless Steel Single-Wall Increaser Wye d18.94 Non-Combustible Color/Finish Volcanic Sand FrameAll 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