DuraVent DuraTech LDC 10" Square Trim Collar for Round Support Box fbb21 Runs for up to eight

Runs for up to eight hours with low emissions

while electric fireplaces produce heat with no flame

Liner options for Premium Models include: Aged Brick

These branches are compatible with all kinds of gas burner setups

DuraVent DuraTech LDC 10" Square Trim Collar for Round Support Box fbb21 Runs for up to eightIntroducing 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