VIVOSUN R4 4 Inch 190 CFM Inline Duct Ventilation Fan with Variable Sp…

Price: $109.99 - $53.52
(as of Jul 21, 2025 22:03:25 UTC – Details)

From the brand

Who are we?

At Vivosun, our mission is to empower every grower to cultivate what they’re passionate about. We’re dedicated to advancing hydroponic technology that nurtures growth, fuels enthusiasm, and supports the diverse community of cultivators in their pursuit of what they love – growing green!

Smart Grow System

Vivosun’s smart grow system enables growers to master the elements for optimal lighting and ventilation to achieve ideal grow results.

Witness the Miracle of Growth

Master All the Elements

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What problem are we solving?

Indoor gardening can be complex. We simplify it by integrating technology that optimizes light, airflow, and environmental control. Our smart systems make gardening easier, helping both beginners and experts achieve thriving plants effortlessly.

What makes our products unique?

Vivosun combines innovation, quality, and sustainability. Our smart products—such as Vgrow, AeroLight, AeroZesh, and GrowHub—streamline gardening with automated controls and energy-efficient features, ensuring better growth outcomes while reducing environmental impact.

Energy-Efficient Ventilation: This powerful blower with a fan speed of 2300 RPM can create an air flow of 190 CFM; It combines the features and benefits of axial and centrifugal fan, effectively circulating air
Low Noise Level: The durable fan blades revolve smoothly and powerfully, which helps collect airflow volume and cut noise output; A less than 30 dB noise level will not disturb your work
Adjustable Speed: A stepless speed controller on the power cord enables the fan to run at different speeds; With this speed switch, you can adjust it to the desired airflow level
Easy Installation: This duct fan is compact and lightweight so it can be installed in small areas; Comes with an installation bracket indicating the direction of the airflow; Removable duct ends with locking tabs
Versatile Applications: Suitable for industrial, household and horticulture ventilation applications; It can quietly and efficiently moving large volumes of air throughout your ventilation system