- Specifications
- Documents
- Description
- Tough aluminized mylar outer wrap
- Two-ply aluminum core
- 25' length
- Certified as an air duct per UL181
- R-3.3
- 2.0" Inside Diameter
This is our aluminum flexible air duct 2" inside diameter 3.5" outside diameter insulated to R3.3 with 1 vapor barrier. They come in a box quantity of 4 - 25' lengths with our Twist-Fit connector on each end. The Unico System uses less than one-third of the space in the built environment than a traditional system. It can deliver up to 9 tons of air conditioning in the same space as a 3-ton traditional unit.