Empire 4" Gas Furnace Flue Outlet Vent Tube Extension (DV844) vent-adaptor Firebox dimensions (for recessing unit):

Firebox dimensions (for recessing unit): 38

Brand Evolution Fires Finish Marfil Fuel Bed Crystals

Be sure to only use the type of fuel for your fireplace and never substitute an alternative type of fuel as it may emit harmful toxins or be unsafe

Since originating the gas log set some 60 years ago

Empire 4" Gas Furnace Flue Outlet Vent Tube Extension (DV844) vent-adaptor Firebox dimensions (for recessing unit):You can trust and enjoy the service of your gas furnace more when it is properly vented. Empire's flue outlet vent tube makes this possible even with walls between 13 19 inches in thickness. It becomes an essential venting if you have super thick walls or other space challenges or restrictions. This extension tube is specifically made for the Empire DV25SG and the DV35SG gas furnace installations. Safe and economical venting is a win win for the