Selkirk 4" x 6-5/8" Vinyl Siding Standoff 4DT-VSK / 4DT-VSS (Direct-Temp Gas) Fits In:4DT-HC (Horizontal Cap) Hidden Control Burner kits include:

Hidden Control Burner kits include: HC Burner

SU20 Air Space on Sides YES Brand Lennox & Superior

Requires finishing to the fireplace opening on the interior side with plaster/tile/stone/brick -with or without a decorative frame

Includes: (1) 4 Inch x 10 Feet and (1) 7 Inch x 10 Inch Aluminum Liner

000 Btu GWT50W installs in the wall between adjoining rooms and heats both

Selkirk 4" x 6-5/8" Vinyl Siding Standoff 4DT-VSK / 4DT-VSS (Direct-Temp Gas) Fits In:4DT-HC (Horizontal Cap) Hidden Control Burner kits include:Selkirk 4" x 6 5 8" Vinyl Siding Standoff Vinyl Siding Standoff Use Before Vinyl Siding Installed. 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 Direct Temp is designed for maximum safety and high efficiency performance. 304 Stainless Steel