VIVOSUN 8-Inch Inline Duct Fan, 420 CFM, Low-Noise HVAC Exhaust

Efficient, quiet inline ventilation

The VIVOSUN 8-Inch Inline Duct Fan is designed to move air where you need it most, even in tight spaces. Its robust motor uses permanently lubricated bearings for a maintenance-free, quiet experience, while a precision-balanced impeller helps keep vibration and noise to a minimum.

Compact power for versatile setups

With an 8-inch diameter and a peak performance of up to 420 CFM at 2970 RPM, this unit delivers strong airflow without occupying valuable ceiling or wall space. Its lightweight design simplifies installation in basements, attics, crawl spaces, or utility rooms, so you can upgrade ventilation without major renovations.

Where you can use it

Ideal for HVAC exhaust tasks, it excels in bathrooms, kitchens, basements, and attics to improve air exchange. It also suits grow room configurations as either an intake or exhaust fan, helping you manage airflow in compact environments.

Specifications you can rely on

• Voltage: 110–120V; Power: 40W
• Max motor temperature: 130°C; Max ambient temperature: 60°C
• Noise level: under 40 dB with a balanced impeller

Maintenance tips

• Clean the unit after the first week of use when used with a carbon filter, then follow a regular cleaning routine based on usage.
• Keep blades free of obstructions to prevent sticking and ensure smooth, consistent airflow.

Note: Always turn the fan off if any obstruction prevents the blades from turning. This inline fan is a flexible component for a range of ventilation projects when integrated into your system.