Inline Booster Duct Fan with Speed Control for HVAC Exhaust Ventilation

Silent Operation

Reduce sound output to a mere 28 dB, ensuring no disturbance to your daily life. This high-tech duct blower combines superior balanced blades and a centrifugal impeller for quiet operation and a long service life.

Adjustable Speed Control

Enjoy easy adjustment with the variable speed controller on the power cord. Optimize airflow and noise level for your desired application by simply turning the knob to control the vent fan at various speeds.

Durable and Safe

Equipped with a powerful energy-saving motor, this duct blower requires no maintenance and offers overheating protection. Should overheating be detected, the unit will automatically shut off for added safety. Constructed from heavy-duty quality steel housing, it ensures prolonged durability.

Easy Installation

This lightweight air exhaust fan, with a 4-inch diameter, 2990 RPM speed, and a 106 CFM airflow, is designed for quick removal and easy installation in spaces with limited availability.

Ducting Details

• Size: 4 inches diameter, 8 feet length.
• Construction: Four-layer (PVC+aluminum foil+PET+aluminum foil) to prevent light leaks.
• Temperature Range: -22°F to 212°F (-30°C to 100°C).
• Material: High-quality aluminum foil, resistant to high temperatures and corrosion, ensuring a long-lasting performance.

This duct blower is perfect for those seeking a quiet, efficient, and easy-to-install solution for air exhaust needs.