Best Grow Tent Fan Filter 2023: Our Best Picks + Everything To Know

15 Jan 2023 Goods
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Filter For A Grow Tent Fan: Factors To Consider For Fresh Air

When getting a grow tent fan and filter combo, there are a few things to consider: The size of the fan and filter, the CFM rating, and the noise level.

  • Size: It is essential to get the right size fan and filter for your grow tent. If the fan is too small, it will not be able to adequately move air and could cause poor plant growth. On the other hand, a fan that is too large can be too loud and generate unwanted noise.
  • CFM Rating: This stands for Cubic Feet per Minute, and it refers to the amount of air a fan can move in one minute. The higher the CFM rating, the more effective your tent's ventilation system will be.
  • Noise Level: Make sure to select a fan that is not too loud for your grow tent setup. Loud noise can be disruptive and can also cause unwanted stress to your plants.

Picking A Carbon Filter: How To Get A Quiet Grow Tent Fan


When selecting a carbon filter for your grow tent fan, it is important to pick one that is able to effectively capture odors.

  • A good carbon filter will be made from highly-absorbent activated charcoal, which can effectively trap and absorb odors. This material will also help to reduce the noise level of your fan.
  • When selecting a carbon filter, it is important to make sure that it is the right size for your fan and tent setup. If the filter is too small, it won't be able to effectively capture odors. On the other hand, an overly-large filter can cause the fan to be too loud.
  • Additionally, make sure to get a filter with an effective mesh pre-filter that can capture large particulates that may be in the air.

How To Choose The Best Fan For Exhaust Filter

When selecting a fan for the exhaust filter, the primary factor to consider is the CFM rating. This rating refers to how much air the fan can move in a given time period, and higher ratings are typically better.

Additionally, make sure to select a fan with adjustable speeds. This will allow you to adjust the airflow in your tent according to your needs.

Also, thicker carbon filters tend to be quieter than thin filters, so consider getting a thicker filter if you are looking for a quiet fan.

A Guide To Install An Inline Fan Filter

When it comes to installing an inline fan filter, there are a few steps that should be taken.

  • First, make sure to measure the area in your tent where you will be placing the fan and filter. This is essential for ensuring that you have enough space for everything to fit properly.
  • Next, attach the mounting brackets to your fan and filter, being sure to use the appropriate screws or bolts. Now you are ready to attach the fan and filter to the grow tent frame.
  • Finally, run your ducting from the fan and filter assembly to your exhaust port. Make sure that all of your connections are secure before turning on your fan.

Best Grow Tent Fan Filter: Our Best Picks for 2023

Now, let's take a look at our top picks for the best grow tent fan filter for 2023. All these options have been carefully chosen based on their size, CFM rating, noise level, and other important factors.

Best Overall: VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller


There is 1050+ RC 48 Virgin Australian activated charcoal within, and the mesh construction on the inside and the outside allows for 53% air flow and frees up space for the charcoal. This inline fan and filter combination is perfect for a grow tent's ventilation system, since it removes excess heat from the lights and keeps the air in the tent at a comfortable temperature and humidity level.

The 4-inch inline fan is constructed from galvanized steel, rotates at 2300 RPM, generates 190 CFM, and operates at a maximum noise level of 30 dB. The stainless steel clamps included in this set are used to hold the ducting and inline fan in place once they have been connected.

It has a three-layer design, with fire-resistant aluminum foil on the inside and outside and PET thermoplastic in the middle.


  • Excellent filtration.
  • Quiet operation.
  • Easy to install.


  • Expensive compared to other options.

Budget Pick: iPower 4 Inch Air Carbon Filter


Used in damp areas such as kitchens, bathrooms, and basements, this product protects against chemical irritants and gets rid of unpleasant aromas. vacuums up the noxious fumes and dust from a grow room, as well as pet and smoke, smells.

The item's adaptability makes it ideal for usage in a wide range of settings, such as those involving inline fans, duct fans, air exchange fans, ventilation ducts, and other ancillary components, where it may serve as either an intake or exhaust filter.

The filter body may be turned upside down and the flange and bottom removed so that the charcoal canister can be reversed. This allows for two times as much odor filtration and twice as much time between cleanings.


  • Affordable price.
  • Reversible filter design for double the filtering time.
  • Easy to install.


  • Noisy operation when the fan is on high speed.

Compact And Efficient: Premium Australian Virgin Charcoal 4" AC Infinity Air Carbon Filter


Using high-quality Australian charcoal, which has a greater absorption capacity and a longer life rating. Developed specifically for hydroponics rooms and grow tents, it removes smells and pollutants.

Allows the most possible airflow to pass through in either the intake or exhaust directions. Includes two clothed pre-filters, heavy-duty aluminum flanges, galvanized steel meshing, two hanging straps, and a sturdy frame for easy installation.

Maximum airflow in either the intake or exhaust direction is made possible. It reduces noise levels, increases the lifespan of your blower fan and carbon filter, and maintains steady temperatures in your grow tent.


  • Long-lasting charcoal.
  • Versatile design allows airflow to pass through in either direction.
  • Easy to install.
  • Reduces noise levels.
  • Sturdy construction.


  • Not as versatile as the other options.

Decent Kit: VIVOSUN Ventilation Kit 4 Inch 190 CFM Inline Duct Fan


The quiet inline fan operates at less than 30 dB without sacrificing its robust 2300 RPM air circulation for your workspace. This is a common set for ventilation and air circulation installations.

Included in this ventilation package are a 4-inch duct fan capable of generating 190 CFM and a 4-by-14-inch carbon filter. Some of the most unpleasant odors and airborne particles may be gotten rid of in indoor grow tents with the aid of porous activated carbon with 1050+ RC 48 Australia Virgin Charcoal.

Grow rooms, planting rooms, grow tents, HVAC applications, bathroom venting, and so on all benefit from proper air circulation. The inline fan is driven by a robust motor, and the ductwork may be bent to accommodate various installation requirements.


  • Robust air circulation.
  • Quiet operation.
  • Easy to install.
  • Affordable price.


  • Not suitable for larger grow rooms or spaces.

Premium Kit: Spider Farmer 4 Inch Inline Fan Carbon Filter Ducting Kit


Low-weight ABS blades increase airflow by 40% and cut drag by 80%. The smart controller is simple to set up and use, has ten different speeds and operation modes, and regulates the relative humidity and temperature automatically.

A heavy-duty metal filter housing and stainless-steel flanges ensure the filter lasts for a long time; RC412 activated carbon provides superior odor control and purification; the carbon layer is 38 mm thick for maximum absorption; and a pre-filter catches large particles and extends the filter's useful life.

This 4" exhaust fan's quiet operation is due to its mixed-flow design and EC motor; while it uses just 40 watts of electricity, it provides a powerful airflow of up to 205 CFM. Additionally, it only emits 28 decibels of noise.

Passed GB8624B1 combustion test, safe for use; ducting is constructed of high-quality aluminum and PVC, double-layer design; built in steel wire to guarantee robust performance; completely extended length: 25FT. Clamps may be adjusted to different sizes and are composed of stainless steel, making them durable and resistant to rust and corrosion.


  • High airflow.
  • Quiet operation.
  • Easy to install and use.
  • Made from high-quality materials.
  • Rugged construction for a longer life.


  • Expensive purchase compared to other options.

Best Value Kit: Nova Microdermabrasion 4 Inch 276 CFM Duct Inline Fan Ventilation Kit


Wide channels for airflow are provided by the carbon filter's inner and outer meshes. It has two different conversion modes, so it may be used as either an intake or an exhaust filter. The 276 CFM at which the fan operates means that a lot of air may be moved around in a room.

The ducting is high temperature resistant and corrosion-proof since it is comprised of three layers of aluminum foil and steel wire for reinforcement. The duration may be altered to suit your needs. This duct fan aids in air purification and circulation. Excellent for use in hydroponics, grow rooms, greenhouses, cellars, garages, kitchens, bathrooms, commercial cooling systems, and factories.

Including three different speeds (High, Med, and Low). With a noise level of about 45 dB during operation, sleep is not disturbed.


  • High CFM.
  • Good noise level.
  • Easy to install and use.
  • Durable ducting material.
  • Three different speeds.


  • Not for the largest rooms.

Best For Commercial Use: TerraBloom 12.4" (315mm) Carbon Filter


The TerraBloom Carbon Filter is the result of years of research and development in the gardening industry. To save money, we are not skimping on the essential parts. Western Australian RC-48 Charcoal Carbon is used only in the production of TerraBloom Carbon Filters.

These filters have a 46mm thick carbon bed that is machine packed with ultrafine grains. Cigarette smoke, volatile organic compounds, mechanical odors, and other unpleasant odors are all filtered out by this Carbon Filter.

Measured in Feet, the Duct Opening Is 24 Inches (Filters Length) Carbon Filter with Two Washable Pre-Filters (Black and White), and a Base and Flange Constructed of Aluminum at the Factory. Maximum 1700 CFM, 1.8" (46mm) RC-4/8 virgin carbon bed, 2 years of service life.


  • High CFM.
  • Effective odor filtration.
  • Premium quality carbon bed.
  • Ultra-durable construction.
  • Two washable pre-filters.


  • Expensive compared to other options.

Editor's Choice: VIVOSUN 6 Inch Air Carbon Filter for Inline Duct Fan


Because of the round hole design incorporated into the galvanized steel mesh on both sides, the maximum airflow is increased to 384 cubic feet per minute (CFM), and the filtration rate is improved thanks to the longer carbon canister.

Intake and exhaust ventilation systems may be set up using the same 6-inch inline duct fan; Two belts are included to facilitate setup in the grow tent. The filter's longevity and effectiveness may be improved by flipping the charcoal canister and swapping the base and flange, both made of heavy-duty iron.

Premium RC 412 Australian Virgin charcoal @ 1200+ IAV, effective in neutralizing noxious gases and odors; The extreme microporosity of the 38mm thick charcoal bed guarantees a high absorption rate.


  • High CFM.
  • Efficient odor filtration.
  • Heavy-duty construction.
  • Easy to install and use.
  • Reversible carbon filter.


  • Not for truly commercial use.

Best Grow Tent Fan Filter: Our Conclusions

When choosing a fan filter for your grow room, the best options are those that offer high CFM with low noise levels, as well as superior odor filtration and durable construction. You would especially want to get a quiet fan filter if your grow room is in a bedroom or any other area where you need to maintain a low noise level.

The TerraBloom 12.4" Carbon Filter offers the best overall performance and reliability, while the VIVOSUN 6 Inch Air Carbon Filter for Inline Duct Fan is an excellent choice for those who want a budget-friendly option. With the right fan filter, your grow room can be well-ventilated and odorless!

Our #1 pick is VIVOSUN 4 Inch 190 CFM Inline Fan with Speed Controller, as its powerful performance, durable construction and easy installation make it an ideal choice for grow tent fan filter. We highly recommend it!

We hope this guide has helped you find the best grow tent fan filter for your needs. If you have any questions or comments, please feel free to leave them in the comment section below. Thanks for reading!

Erica Hendricson

Erica Hendricson is a true tech enthusiast! With a New Hampshire origin and a strong technical background, she loves sorting things out.

Let her guide you to the correct shelf in picking the perfect devices and gadgets for you.