Flexible Air Duct, 8 in x 25 ft, Polyethylene, Black

ThermoFlo Technologies 'SRB' series is an industrial quality insulated duct manufactured "tough" for consumers' and installers' peace of mind. It features the high standard c-ETL-us/Can/ULC-S110-M86/UL 181 approved cores from ThermoFlo. The 'SRB' series duct consists of a three ply polyester laminate, fiberglass reinforced scrim, galvanized spring steel wire, wrapped with fiberglass insulation, which provides an outstanding combination of strength and tear resistance.

• Max flame spread <25
• 5000 Feet per minute velocity
• Triple foil laminate casing with scrim reinforcement and double sealed core
• Wrapped in owens corning® R4.2 insulation to maintain temperature and keeps noise to a minimum
• Inhibits the growth of mold and mildew for better air quality
• Duct components are flame resistant and self extinguishing
• Fire retardant black polyethylene vapour barrier adds extra durability