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Moonjor

4inch Axial Exhaust Fan + 6.5ft Dryer Hose Kit | Extractor Blower, Fan with Button Switch, Heavy-Duty Metal Flange, For Grow Tent, HVAC, 3D Printer

  • Based on 11 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Aug 25
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Features

  • High Performance Specifications: Work Voltage 110-120V, power 18W, air volume 119m3/h, speed 2700RPM. Noise: 40dB. Protection grade IP44, waterproof and dustproof for everyday use. Designed to have an on/off switch on the US 3-pin power plug
  • Complete Ventilation Kit: This set comes with 1 x Axial Flow Fan, 1 x PVC Hose (4", 6.5ft-length) and 2 clamps for small cultivation tents and beginner plant growers
  • Oil Ball Bearing Motor: Copper motors with ball bearings guarantee long operating times. It effectively moves air from indoors to outdoors. Install at normal operating temperature (-20 to 70C / -4 -158)
  • Versatile Applications: Duct fans can be used to attach fans to HVAC ventilation systems, cultivation tents, greenhouses, laundry, and AC industrial machinery. Two tailpipes can be removed if necessary
  • 2-in-1 Usage Design: Developed based on a muffin AC fan, the middle fan can be used internally or taken away. It allows the fan to be used in a variety of environments, and changes the size of the traditional square to a circular shape
  • Quality Assurance: Strict quality control is carried out on each product before shipping, with a one-year warranty included after purchase

Description

Experience the power of versatility with our 4-inch axial fan kit. Designed for multiple usage applications, this compact powerhouse is perfect for grow tents, HVAC systems, 3D printers, and more. Adaptable, efficient, and ready to meet your diverse ventilation needs. Enhance your grow tent, HVAC system, or 3D printer setup with our versatile 4-inch axial fan kit. Featuring a high-performance motor, quiet operation, and a complete set of accessories, this fan provides efficient air circulation and temperature control for optimal results in various environments. Introducing our high-performance 4-inch axial fan, designed to meet all your ventilation needs. This versatile fan boasts an impressive air volume of 119m3/h, ensuring efficient air circulation in various settings. With a powerful 2700RPM speed, it delivers exceptional airflow while maintaining a quiet operation at ≤40dB. Engineered for durability and reliability, our axial fan features an oil ball bearing that guarantees smooth, long-lasting performance. The IP44 protection grade provides excellent resistance against water and dust, making it suitable for a wide range of environments. This comprehensive kit includes a 6.5ft PVC hose, allowing for flexible installation and easy connection to your ventilation system. Whether you're setting up a grow tent, managing HVAC systems, or cooling 3D printers, this fan adapts to multiple usage applications with ease. Experience the perfect balance of power and quietness as you tackle various ventilation challenges. From small cultivation tents to industrial machinery, our 4-inch axial fan is the go-to solution for efficient air management. Upgrade your ventilation system today and enjoy the benefits of superior airflow and versatility. Discover the versatile 4-inch Axial Fan Kit, designed for efficient air circulation in grow tents, HVAC systems, and 3D printer setups. With its powerful performance, low noise operation, and included accessories, this fan kit offers a complete solution for your ventilation needs. Experience improved air quality and temperature control in various environments.

Brand: Moonjor


Power Connector Type: 3-Pin


Voltage: 110 Volts (AC)


Wattage: 18 watts


Cooling Method: Air


Compatible Devices: Desktop, Gaming Console, Projector, Radiator, Receiver, Refrigerator, Transmission Coolers


Noise Level: 35 Decibels


Material: Acrylonitrile Butadiene Styrene


Maximum Rotational Speed: 2700 RPM


Air Flow Capacity: 119 Cubic Meters Per Hour


Power Connector Type: 3-Pin


Voltage: 110 Volts (AC)


Wattage: 18 watts


Cooling Method: Air


Compatible Devices: Desktop, Gaming Console, Projector, Radiator, Receiver, Refrigerator, Transmission Coolers


Noise Level: 35 Decibels


Maximum Rotational Speed: 2700 RPM


Air Flow Capacity: 119 Cubic Meters Per Hour


Material Type: Acrylonitrile Butadiene Styrene


Brand Name: Moonjor


Manufacturer: Moonjor


Number of Items: 1


Included Components: Cord, Dryer Hose


Model: 100mm / 4inch


Part Number: AC12038


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Aug 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Quiet and convenient in-line fan
The media could not be loaded. Exhaust fans tend to be loud and bulky or inefficient. They are also usually hardwired into an area where a switch is used to control it. This fan is somewhat unique in that it has a plug and its own built-in switch, so it can easily be used in temporary locations where another fan wouldn't be appropriate. As for noise, I measured this as being around 70 decibels from one and a half feet away. That's pretty quiet. In a typical area where this would be installed, ambient noise from other things in the area would be as loud as this fan. Check the video clip to get an idea of how quiet that is. This comes with a section of 4” accordion hose and two pipe clamps, so it might have everything you need to hook it up and put it to use. It rings smoothly, so I hope it will last for the long haul. ... show more
Reviewed in the United States on February 20, 2026 by Forbes
    • Powerful Ventilation for Small Workshops
I bought this axial fan kit specifically for my 3D printing setup. My Ender 3v2 sits on a rolling cart in my second bedroom and even with PLA I like having extra ventilation since I run long prints and sometimes use resin or solder in the same room. This fan has made a noticeable difference in keeping the air clear and reducing lingering smells. The kit includes everything I needed including the fan the flexible hose the switch and basic mounting hardware. The fan housing feels solid and the blades look well balanced. The hose is lightweight but holds its shape. It is not industrial grade but it is more than enough for hobby use. Installation was straightforward. I attached the fan to a small plywood panel I cut and fitted into the window when printing. The switch is convenient because I can power everything on from the same corner of the room. The airflow is stronger than I expected for a 4 inch fan. It pulls heat and fumes out quickly and I can feel the difference in temperature around the printer after an hour long session. Noise wise it is noticeable but not irritating. It has a steady hum that fades into the background once you are used to it. I often run it while working on my computer or relaxing in the living room and it does not bother me. For the price it is honestly a fantastic value. Anyone with a hobby space grow tent small workshop or 3D printer will appreciate how much air this little unit moves. It is easy to set up reliable and strong enough to make a real difference. ... show more
Reviewed in the United States on November 29, 2025 by Zane
    • Mid
The fan speed is not that great. it's mid
Reviewed in the United States on March 3, 2026 by Tim
    • Solid little fan that does what I need
I’m using this 4-inch axial fan kit in a small grow tent, and overall it’s been a good experience so far. Setup was straightforward, and I liked that it came with the ducting and clamps so I didn’t have to buy extra parts. For its size, it moves a decent amount of air. I use it mainly for ventilation and heat control, and it’s been doing a solid job keeping fresh air flowing. The fan feels well made, not flimsy, and the motor runs smoothly without any rattling. Noise level is reasonable. You can hear it running, but it’s more of a steady airflow sound than anything annoying. I have it plugged into a smart plug and control it with Alexa, which makes it easy to turn on and off without opening the tent all the time. Size-wise, it’s compact and fits well in a smaller setup, which is exactly what I was looking for. Functionally, it does what it’s supposed to do without overcomplicating things. The only reason I’m giving it four stars instead of five is that it’s a simple on/off fan with no speed control, so you get full power all the time. That’s not a dealbreaker for me, but something to keep in mind depending on your setup. Overall, it feels like a good value for the money, especially for beginners or anyone running a small tent who wants reliable airflow without spending a lot. I’d recommend it for basic ventilation needs ... show more
Reviewed in the United States on January 31, 2026 by Red Robin
    • Effective Exhaust Fan Kit For 3D Printing Fumes
This exhaust fan kit has worked well for venting my 3D printer enclosure and keeping the room from smelling like burnt plastic while printing PLA. The fan moves plenty of air for this application and clears fumes quickly, which makes a noticeable difference during longer prints. Functionality is exactly what I needed since it actively pulls air out of the enclosure and vents it outside instead of letting odors and fine particles linger in the room. Installation was straightforward, the ducting fits properly, and everything connected without issues. The size is appropriate for a printer setup without being bulky, and the fan feels sturdy enough for continuous use. For the price, the value is good considering the airflow and effectiveness, and it has been a worthwhile addition for maintaining a cleaner and more comfortable printing environment. ... show more
Reviewed in the United States on December 19, 2025 by NalaGrace
    • Capable Modular Fume Extractor
Review Image by G.L. View
Review Image by G.L. View
The build quality of this fan is excellent, there are a few small considerations that make installing and using this fan especially convenient. The small taper at the intake and exhaust goes a long way to save you time setting up this unit and attaching ducting. There are multiple mounting points drilled out on the frame as well, giving plenty of options to suit your needs. The preinstalled cable and switch mean you won't need to worry about setup or need any specialty tools, it's ready to go out of the box with all wiring done for you, including the ground wire. The body itself is constructed of all metal, giving it extra rigidity and durability. I've been using this fan as a fume extractor for a small workshop, it's a massive help for that extra peace of mind when working with 3D printers and soldering. The included ducting also makes it that much easier to get this unit setup and running right away. All that being said, this is a remarkably powerful fan for it's size, I've had no issues with air flow even after adding a charcoal filter to the exhaust. I may also remove the tailpipes to add a seal or gasket to ensure there are no leaks, but that's another consideration they've taken, giving you that modularity to take this fan a step further in performance. ... show more
Reviewed in the United States on November 3, 2025 by G.L. View

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