6" X 12.5' flexible duct wrapped with R4.2 insulation and silver metallic jacket. UL Listed 181 Class 1 Air Duct.
- Air-tight Inner Core - Energy efficient / No fiberglass erosion into air stream
- Encapsulated Wire Helix - No unraveling when cut to length / Quick installation
- Smooth Inner Core - Low friction loss / Low operating cost
- Certified for Low Chemical Emissions - Tested and Certified to UL Environment's Standard UL 2818
- Certified Thermal Performance (R-values) - UL Classified to Air Diffusion Council test program
- Tough Reinforced Metallized Polyester Jacket - Tear and puncture resistant / Low maintenance
- Lightweight Compact Carton/Bag - Reduces warehouse and jobsite handling cost
- Formaldehyde Free - Made with Owens Corning EcoTouch Insulation