Atco 13102404 Flexible Duct, 25 ft L, R8, Fiberglass Jacket, 5000 fpm Max Air Velocity, Silver, 4 in OD

Atco Flexible Duct, Product Family: 030 Series, 25 ft Length, R-Value: R8, Fiberglass Jacket, 5000 fpm Maximum Air Velocity, Silver, 6 in-WC Positive, 1 in-WC Negative Maximum Working Pressure, Fiberglass/Metalized Polyester/Scrim, 4 in Outside Diameter, -20 to 140 deg F Operating Temperature

• All thermal performance (R-Values) are certified by the Air Diffusion Council (ADC) and classified by UL LLC in accordance with ADC Flexible Duct Performance and Installation Standard using ASTM C-518, at installed wall thickness, on flat insulation only.
• 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