Selkirk 5" x 8" Attic Insulation Shield (Direct-Temp Gas) h22.125 8" / 68 cm Height

8" / 68 cm Height 31

It is made of aluminum

Pipe Inside Diameter: 4 Inch

Width x Heights 42 x 26 *When ordering standard masonry overlap fit doors it is best to go with the smaller frame size

24-gauge steel construction

Selkirk 5" x 8" Attic Insulation Shield (Direct-Temp Gas) h22.125 8" / 68 cm HeightSelkirk 5" x 8" Attic Insulation Shield The attic insulation shield is required to guard against the hazard of blown in or blanket insulation occupying the required 1" airspace around the vent. Direct Temp Gas The latest Direct Vent Gas Fireplace Venting technology listed for use with a wide variety of appliances. Direct Temp features a 304 Stainless Steel inner liner providing exceptional corrosion resistance for long term system integrity. Selkirk