Thermoflo 2000 SR Ducting - 6 Inch x 25 Feet

Thermoflo 2000 SR Ducting is premium flexible air ducting for ventilation, designed to move unconditioned air through grow-room exhaust and intake runs with dependable durability.

This ventilation ducting is engineered for demanding environments that involve high heat, high humidity, and high airflow. It’s built for situations where standard ducting can fatigue over time, keeping its performance consistent when airflow volume and ambient conditions are harder on materials.

The construction focuses on strength, airflow, and light control. A triple-foil laminate with an industrial-grade foil casing supports long-lasting durability, while a double-sealed core helps resist punctures. Rip-stop reinforcement is built in to reduce tearing and unraveling during handling, and the carbon black inner core is designed to minimize light reflection for light-tight ventilation paths.

To keep duct runs stable, this flexible air ducting is reinforced with a galvanized spring steel helix that maintains shape while helping prevent rust. Inside, an industrial-grade woven fiberglass core is designed to reduce noise, supporting quieter airflow where ventilation sound matters. The result is a premium ducting option that balances toughness with smoother, more controlled air movement.

For build standards and safety-minded installs, this series is described as flame resistant and self extinguishing, and it’s listed as c-ETL-us certified while conforming to UL181 and CAN/ULC-S110-M86. It also notes compliance with NFPA 90A and 90B. This premium ducting is a good fit for growers who want strong, light-tight ventilation ducting built for unconditioned air, especially in higher heat, higher humidity environments where duct durability and lower noise are priorities.