Isomax duct fans run extremely quietly. The 6-inch and 8-inch versions also feature a 3-speed controller, allowing you to vary airflow without the purchase of a separate unit.

• Isomax (Air Force 2) duct fans – prestige products at the pinnacle of the market
• Variable output 3-speed controller on 6″ and 8″ models
• Sublime build-quality – the Rolls Royce of duct fans
• Integrated silencing technology delivers extremely low noise-levels
• High-torque motor generates immense air-pressure
• Energy-saving – efficient Swiss-engineered motor
• Reliable and hassle-free – maintenance is rarely an issue
• Two built-in hanging attachments for easy positioning