8" Ventis Class-A All Fuel Chimney Galvanized Attic Insulation Shield - VA-AIS08 Columbia II Amantii BI-DEEP-XT Electric fireplace –

Amantii BI-DEEP-XT Electric fireplace – Indoor or Outdoor  Built-in only Electric Fireplace with Black Steel Surround

Overall dimension (Width) 25 1/8''

you’ll find an EXTRA SLIM fireplace that is perfect for any space in your home

On the other hand

8" Ventis Class-A All Fuel Chimney Galvanized Attic Insulation Shield - VA-AIS08 Columbia II Amantii BI-DEEP-XT Electric fireplace –This Ventis Class A attic insulation shield keeps insulation and debris safely away from the chimney where it passes through an attic space, maintaining the clearance to combustibles required by code. UL 103 HT listed galvanized steel construction stands up to attic conditions for the life of the system. 430 alloy stainless steel outer casing 0. 016" thickness 2" clearance to combustibles Outer wall is 2. 5" larger than inner wall Clean, smooth