8 Best Carbon Filter For Grow Room | Grow Tent Carbon Filter Reviews

best carbon filter for grow roomWhen growing weed indoors, it is hard to avoid the sharp pungent smell of the leaves and buds.  Even though some may actually love the smell, it can be very strong and disturbing at times.

Therefore, growers use air filters to absorb those smells and make the air odorless. The best carbon filters for grow rooms are great for this purpose as the activated carbon in them absorbs the compounds in the air that are causing the odor.

Carbon filters usually contain a bed layer of Australian charcoal.

There are not many choices when it comes to odor filtration and the best indoor carbon filter is both effective and affordable.

 

What are the Best Carbon Filters for Grow Rooms?

ImageProductCheck
Price
AC Infinity Air Carbon FilterAC Infinity 6"
1200+ RC412
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VIVOSUN 4 Inch Air Carbon Filter Odor ControlVIVOSUN 6 Inch
1050+ RC 48
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iPower 4 Inch Air Carbon Filter Indoor PlantsiPower 4 Inch
1050+ IAV
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TerraBloom Air Carbon FilterTerraBloom
RC-48 Charcoal
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Amagabeli 4 inch Carbon FilterMagabeli 4 inch
1050+ IAV
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CoolGrows 4 inch Air Carbon FilterCoolGrows 4 inch
1050+ IAV
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4 Inch Air Carbon Filter growneerGrowneer 4 inch
1050+ IAV
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Phresh Filter 701003 Inline FilterPhresh 4 x 12 Inch
RC-48 activated
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How to Choose the Right Carbon Filter Size

Choosing the correct size carbon filter is not random. You have to apply a simple formula that we explain below:

First, you have to measure your grow tent’s volume with this easy equation:
volume = length x width x height .

After you have measured the volume we have to talk about the “CFM” which stands for cubic feet per minute. This tells you how much air in cubic feet the filter can clean each minute.

To determine the CFM, divide the grow tent volume by 3.

With this information, you can determine the size of the carbon filter you need.

Grow tents with less than 400 CFM a 4-inch filter is needed
For tents of 400 or more CFM, you can use 6-inch liters
And finally, for grow tents of 700 CFM or more, you should use an 8-inch filter.

Always read the manufacturer’s instructions and recommendations.

 

Table of Carbon Filter Size in Relation to the Grow Tent Size

Grow
Tent
Size
Carbon
Filter
Size
Inline Fan with
Carbon Filter &
No Duct Blend
Inline Fan with
Carbon Filter &
1 Duct Blend
2x24 inche40 CFM55 CFM
3x34 inche90 CFM120 CFM
4x44 inche160 CFM215 CFM
5x56 inche240 CFM340 CFM
4x88 inche310 CFM430 CFM
10x108 inche960 CFM1340 CFM
12x1212 inche1400 CFM1940 CFM

 

Grow Tent Carbon Filter Reviews

 

1. AC Affinity Air Carbon Filter

AC Infinity Air Carbon Filter

The 16 inches long Carbon air filter is equipped with a clothed prefilter and boasts a solid stainless steel construction with 38mm thickness.

It is specifically designed to keep the bad odors and chemical smells out of your grow tents.

The AC Affinity Air Carbon Filter comes with premium Australian Charcoal (RC412 at 100+ IAV), which actively absorbs the odor and stays with you for a longer time.

The flanges are made out of stainless steel, while the meshing features aluminum.

This air filter offers a massive airflow capacity of 410 cubic feet per meter, thanks to the 6-inch ducts on each end.

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2. VIVOSUN 6 Inch Carbon Filter for Grow Tent

VIVOSUN 4 Inch Air Carbon Filter Odor Control

The VIVOSUN carbon filter contains a superior quality Australian virgin charcoal bed.

The inner and outer mesh layers allow air to flow freely. Basically, 53% of the surface area is open so you get better airflow.

It comes with carbon filter belts and a changeable Velcro pre-filter.

It gets rid of any kind of odor in or near your grow tent or area.

When growing weed indoors, the pungent smell can be somewhat of a problem at times and with this filter, you will not have to worry about letting it out.

It works as an intake as well as an exhaust filter. With simple but sturdy construction, it is the best grow room carbon filter.

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3. iPower 4 Inch Grow Room Carbon Filter

iPower 4 Inch Air Carbon Filter Indoor Plants

This 4-inch iPower Carbon filter has an airflow rate of 200 CFM. It is the best carbon filter for grow room as it contains the most absorbent carbon in the world: the 1050+ IAV Australian RC412 activated carbon.

This is a long-lasting filter that just requires you to replace the pre-filter every 6 months.

The carbon layer is 50 mm thick so you can only expect the best performance from this one.

With a positive indoor carbon filter review; this one is also great value for money.

iPower is a trusted manufacturer of indoor grow room products.

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4. TerraBloom Premium Carbon Filter

TerraBloom Air Carbon Filter

The TerraBloom Premium Carbon Filter comes in a variety of lengths to meet the needs of different grow rooms.

They have used RC-48 Charcoal carbon that originates from West Australia.

The bed is machine packed and is 46 mm thick which makes it the best carbon filter for marijuana.

It comes with two machine washable pre-filters. With high-quality materials and carbon, this one is made to last for a very long time.

This product is also backed by a 90-Day Warranty from the manufacturer.

If you are looking for something that works best for all kinds of odors in the grow room or grow tent and filters out quickly, this is it.

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5. Amagabeli 4 inch Filter for Grow Room

Amagabeli 4 inch Carbon Filter

The Magabeli carbon filter is the best carbon filter for marijuana especially if you are growing them in a hydroponic system.

This one offers more than 99% filtered airflow and contains only the highest quality 1050+ IAV Australian virgin charcoal bed.

It can work with 4-inch inline fans, duct fans, exhaust fans, paint fumes hose, and ventilation ducts.

This one too has reversible filtration and you can use it for both intake filtration and exhaust filtration.

With a great airflow rate, the outer and inner aluminum mesh provides a lot of open surface area.

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6. CoolGrows Grow Tent Carbon Filter

CoolGrows 4 inch Air Carbon FilterIf you are looking for the best carbon filter for a grow room, CoolGrows is a great option to look upon.

You can reverse the base and flange to extend the life of this device. Furthermore, you can get the 4 inches or 6-inch size according to your needs.

The high-efficiency performance of this charcoal air filter makes it one of the best grow room carbon filters.

The 1050+ IAV charcoal bed soak up all the false-smelling odors from the room, bringing you clean air.

This top carbon filter for marijuana eliminates sharp odor from the grow-room with its 4-inch absorbent filter.

Also, the company claims to exceed your expectations by providing a hassle-free 1-year warranty.

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7. GROWNEER 4-Inch Carbon Filter

4 Inch Air Carbon Filter growneer

GROWNEER produces one of the best indoor carbon filters to remove ill-smell from an enclosed environment.

The Australian raw carbon is highly absorbent and ensures the efficient performance of the filter.

You can flip the filter body upside-down, using the reversible flange and base.

It comes with an air scrubber, inner mesh, and outer mesh to remove undesirable smells and promote clean air.

The GROWNEER best carbon filter for grow room is designed with a cone-shaped base to make sure that the active carbon is used completely.

The applications of this filter also include smoke elimination.

You can use it in hydroponics, tents, and indoor gardens as well.

The odor control filter can be used as an exhaust filter and an intake filter.

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8. Phresh Carbon Filter 4 x 12 Inches

Phresh Filter 701003 Inline Filter

The Phresh Carbon filter will make sure that the air smells fresh in your grow tent. This 4 inches x 12 inches filter has a 46mm thick layer of RC-48 carbon bed.

The flange on this filter is riveted and you cannot remove it.

This one comes with a great sealed packaging that ensures it stays intact when it reaches you.

You can also go for smaller or bigger sizes as per your need as there are plenty of options in terms of size.

These use Nano carbon technology for maximized absorption.

It is the best grow room carbon filter for those who do not have any budget constraints.

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How Long Does Carbon Filter Last?

A Carbon water filter lasts around a year. On the other hand, a carbon air filter lasts somewhere between six to 12 months.

The life of a carbon filter depends on how a carbon filter works.

You may compare a carbon filter to a sponge. Carbon Filters, too, comprise an area with zillions of small pores. However, they adsorb the contaminants instead of absorbing them.

 

Carbon Filter Lifetime Determining Factors:

Here are some factors that determine the lifetime of a carbon filter.

 

1. Quality Of Carbon Factor

Dealers sell carbon by its weight; heavier weight means effective carbon and long life. Even a carbon filter is rated by the quantity of activated carbon it has.

However, sometimes, air cleaners contain a higher weight of carbon in a filter.

Anyways, the weight of the carbon decides the duration of a charcoal filter lifetime.

 

2. The Size of the Filter And Room

If you use a small filter in a large room, expect your filters to get dirtier fast. Filters made for a 100 sq. ft area won’t function the same in a 200 sq. ft sized room.

They won’t perform well and last longer due to the volume of air passing through the filters.

A suitable filter in an appropriate room size will have an impact on the carbon filter lifespan.

 

4. Pollution

Lastly, if you use carbon filters in dusty areas, expect them to have shorter lives and get clogged.

 

best carbon filter for grow tent

 

Wrapping Up with the Best Carbon Filter for Grow Tent.

When buying a carbon filter for your grow room, make sure to take into account the size of your grow tent.

There are many sizes available for most models and the prices do not differ much either for the different sizes.

The best carbon filter for the grow room would make sure that your weed’s smell is under control and the odor of the room is neutral.

The strong smell can travel outdoors quickly and may even cause trouble for you.

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