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VEVOR Inline Duct Fan, 4-Inch 205 CFM Quiet EC-motor Ventilation Exhaust Fan, with Temperature Humidity Controller for Cooling Booster, Grow Tents, Hydroponics
- Universal Applications: Take a deep breath and relax. Our inline duct fan is specially designed as an exhaust for heat, humidity, and smoke, improving airflow in air planting tents, hydroponic planting rooms, electronic equipment rooms, kitchens, basements, etc. Get ready to go with the flow.
- Blow Your Worries Away: Our inline fan provides a sufficient airflow of 205 cfm, enough to handle wide areas of ventilation and dehumidification, maintaining clean and fresh air circulation in dry environments all the time. Take control of any environment confidentially.
- Power in Silence: Are you tired of loud, obnoxious ducts? Well, get ready to work in silence! Our inline exhaust fan is equipped with a high-quality EC motor that ensures strong power at a low noise of 28 dB, which will not disturb your work and life. At the same time, the motor saves 30% on energy consumption, extending its service life.
- Take It Easy: VEVOR's inline air duct fan adopts a smart controller. You will freely switch the ON/OFF/TIMER/AUTO modes (High Temperature; Low Temperature; High Humidity; Low Humidity). Pressing the UP and DOWN buttons simultaneously will turn the AUTO MODE off. The auto alarm function is also included. The controller automatically starts or stops according to the temperature and humidity. Note: The controller does not adjust the speed automatically. The speed can only be adjusted artificially.
- Everything You Need: To save time and costs, we provide a 4-inch inline fan with hang-up slings, and non-vibration rubber mats and straps, allowing you to effortlessly complete installation. Additionally, you are not restricted in how you install the high-quality duct fan. Choose between hanging it or mounting it on the wall.
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Here are answers to your concerns
Q: Is this product suitable for grow tents?
A: YES. Know the size of the ducting before choosing the fan as well. Our inline duct fan comes with the option of different sizes.
Q: Can it be used indoors?
A: YES. It helps a lot with air circulation, as well as with odors and dampness. You'll have no problem finding one that suits your living rooms, studios, and electronic equipment rooms. Very quiet too.
Q: Is this fan durable?
A: YES. Our fan can reach 30,000 hours of continuous operation. Energy efficient EC-motor ensures ultra stable operation.


Enhance Your Ventilation System — Inline Duct Fan
Upgrade airflow in various ventilation systems with this inline duct fan. This duct fan helps you circulate air through ductwork. As a result, it provides you with optimal indoor air quality and comfort. You can use this fan in multiple settings, whether it's in residential, commercial, or industrial scenarios. This fan particularly improves air distribution in rooms that are at a distance from the central HVAC unit. So, use this cooling booster fan to improve air circulation and energy efficiency in your ventilation system.
Quiet Operation
To ensure noiseless operation, the VEVOR cooling booster fan is equipped with a high-quality EC (electronically commutated) motor. This motor produces only 28 decibels (dB) of noise. This low level noise doesn’t disturb your work and daily life. Besides ensuring quiet operation, this EC motor is also energy-efficient. This feature causes less energy consumption to reduce electricity bills.
Efficiency & High Power
With its high-level mechanism, this 4-inch pipe fan has a wind current rate of 205 cubic feet per minute (cfm). This means it can move 205 cubic feet of air in a moment. With this power, this fan ventilates and dehumidifies huge regions. So, this duct fan is a great choice for those places that require consistent air circulation. This quiet ventilation fan also provides clean and fresh air.
This system maintains a healthy and comfortable indoor environment. This fan also features auto and manual modes. In case you want to disable the manual mode, simply press the Up and Down buttons simultaneously to disable the auto mode. It is also equipped with four modes: high temperature, low temperature, high humidity, and low humidity. The required mode is activated by detecting the environment.
Simple Installation
Installing this 4-inch duct fan is super simple since it comes with all the necessary accessories. A 4-inch inline fan, stainless steel clamps, hang-up slings, rubber mats, and straps. These accessories enable you to quickly install this duct fan. As a result, it saves you time and reduces costs. This fan features two installation modes: hanging the fan and mounting it to the wall. So, set this fan as you find suitable and boost your ventilation system.
Premium Quality for Long Use
To ensure durability, the VEVOR inline duct fan is made of premium quality material. Its clamps are constructed from stainless steel. So, they’re resistant to rust and corrosion. Due to the clamps’ durability, you can use them for an extended period of time. The motor of this 4-inch duct fan is also built to high standards and performance. Due to its premium quality, the motor ensures efficient operation, longevity, and consistent airflow.
100% Functionality
With multiple advanced features, this inline duct fan is highly functional. It’s equipped with an auto-alarm function. This alarm informs the users in case of detecting an issue with temperature or humidity. Moreover, a controller system is also built into this inline duct fan. This controller starts and stops the fan automatically based on the present temperature and humidity level.
Great for Multiple Scenarios
No matter where you desire to use this inline duct fan, it’s a great choice for multiple settings. So, feel free to use it in kitchens, hydroponic planting rooms, air planting tents, basements, and electronic equipment rooms. So, install this anywhere you want and efficiently improve the air quality.















