DuraVent DuraTech LDC 10" Square Trim Collar for Round Support Box w15.75 You can even use this

You can even use this power vent terminal to vent a fireplace that is a great distance away from an outer wall

If you want to wow your guests or surprise anyone with a unique gift

Boulevard Direct-Vent Linear Beveled_Frame

but will warm up a drafty room and take the edge off a cool morning or evening

75" (D) x 22

DuraVent DuraTech LDC 10" Square Trim Collar for Round Support Box w15.75 You can even use thisIntroducing DuraTech LDC All Fuel Double Wall Chimney System, available in 10 24 diameters. 10 to 16 diameters are UL 103 Type HT listed, ideal for factory built fireplaces, large masonry fireplaces, and other vented non condensing appliances. Solid pack design features 1 of ceramic insulation between a durable stainless inner and your choice of stainless or Galvalume outer jacket. Allows for 2 clearance to combustibles. DuraTech LDC is tested and