Up to 68,200 Btu/Hour Output, Outside Air Hood, Ceramic Glass, Lined with Firebrick, Junction Box, Attic Insulation Shield, Dual Fans, Certified to 2020 EPA Emissions Standards, Arched Steel Faced, Cast Iron Arch Doors, Requires SL300 or 8" DuraPlus pipe with the DuraPlus base plate, When using 8" DuraPlus must use DV-6DP-IS attic insulation shield, flue pipe sold separately and does vary per house (HomeFires team will be in touch regarding specifics for each project)