4" Atco Insulated Foil Flex Duct R6 25'

25' of insulated foil flex duct by Atco.

4" Diameter

• 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
•  Highly Resistant to Mold Growth – Tested and Listed to UL Environment’s Standard UL 2824
•  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