The 4"/100mm, 6"/150mm, 8"/200mm Fan is suitable for industrial, home and garden ventilation applications and can help you maintain a healthy grow room. Ideal solution for multiple uses in residential and commercial ventilation
Advantages：
Low noise level: The high-quality fan blades rotate smoothly and powerfully, helping to collect air flow and reduce noise output; noise below 28、32、42 decibels will not affect your work and life.
Powerful Ventilation: This efficient blower has a fan speed of 2700、2500、2000 RPM and an airflow of 205、350 、553CFM. In-line duct ventilation fans can effectively circulate air for indoor ventilation and odour purification
Adjustable speed: The external knob box can adjust the speed, allowing the fan to run at different speeds, and you can adjust it to the desired airflow level as needed.
