Fantech FIDT 6 Insulated Flex Duct FIDT6

About the Fantech FIDT6 25 of Insulated Flexible 6 Round Duct Installing flexible ducting makes connecting your air ways easier and with fewer elbows and other rigid pieces. The Fantech FIDT6 is a 25 foot section of 6-Inch ducting that has an insulation layer surrounding the inner ducting. This allows for optimized temperature control whether hot or cold, the insulation will block the temperature from radiating from the duct work into your walls or attic.