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While many people worry about outdoor air quality, statistics show that they actually should be more concerned about indoor air quality (IAQ). IAQ is the measure of harmful pollutants discovered within or around your home. The EPA ranks IAQ as one of the top five public health risks.

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Air Filter FAQ

Can I use the same air filter for both heat and AC?

Yes, both AC filters and furnace filters are the same thing. We categorize filters based on their intended use to make filter shopping easier for the customer. During the summer months you are more likely to search for AC filters. While during colder winter months you are looking to buy furnace filters. A good tip for remembering when to change your filters is to replace them at the start of each new season.

Which direction does the air filter go?

Always point the arrow on the box in the direction of airflow. If you are unsure the direction of airflow turn on the system fan. Do not remove the old filter before checking airflow as this might allow dirt or debris to escape.

What is air filter MERV rating?

The Minimum Efficiency Reporting Value (MERV) is used by manufacturers to explain how efficent the air filter is at trapping airborne particles. A higher MERV rating means cleaner air but reduced air flow. MERV 8 filters capture 80% of airborn particles like pollen, dust mites, mold spores, and pet dander down to 3 microns in size. MERV 11 air filters capture up to 95% of the above mentioned airborne particles down to 1 micron in size. If you choose a MERV 13 filter expect greatly diminished airflow but improved filtration of bacteria, tobacco smoke, and cooking oil down to 0.3 micorn in size. Before you choose a MERV rating check with your HVAC manufacturer to see what your system is designed to handle. Picking the wrong filter can impact air flow and reduce equipment life.

When to change the air filter in your house?

Replace your air filters every 3 months. You may need to replace your filters more frequently depending on air quality. If you are unsure about indoor air quailty check the filter monthly. If you notice the filter material is greatly discolored or noticably dirty change out the filter. Failing to replace air filters as recommened can lead to reduced system efficieny, greater energy costs, and poor air quailty.

Which air filter is best for allergies?

If you have respiratory problems caused by pollen, dust, mold, or pet dander a MERV 11 filter can help reduce the severity of aliments caused by allergies. If you are sensitive to smoke from cooking or tobacco a MERV 13 filter is recommend. For many allergy sufferers it is recommend you install filters to process both supply and return air. Before you choose a MERV rating check with your HVAC manufacturer to see what your system is designed to handle. Picking the wrong filter can impact air flow and reduce equipment life.

Which air filter is best for my home?

Your choice in air filter should depend on needs. MERV 8 filters are perfect if you have no pets and allergies are not a serious concern. MERV 11 filters are recommend for occasional allergy sufferers and homes with pets. A MERV 13 filter should be used if allergies are a serious concern and there are tobacco smokers in the house.

Where are they made?

Filtersfast brand air filters are proudly made in America. While the manufacturing location of products can vary from company-to-company, Country of Origin laws require that most products manufactured outside of America bear labeling that tells consumers where the product is made. This label should be visable on the product itself or the packaging in which it arrived.

Are the home air filters electrostatically charged?

Yes, Filtersfast, Filtrete, Carrier, among many other air filter brands use an electrostatically charged filter media. Fiberglass air filters are far less common today and were never designed to improve air quality, rather they protect HVAC systems from large dirt and debris.

3M Filtrete air filters should be changed as often as needed to maintain optimum energy savings and system permance. The highest air quality is always possible with Filtrete.


 

3M Filtrete Furnace Filters full product list:


Filtrete Ultra Allergen Air Filter - 1500 (Purple)
(Ultra Allergen)

The Filtrete Ultra Allergen Air Filter boasts a Filtrete 1500 MPR rating and is one of the best-performing furnace filters on the market. Not only will the Ultra Allergen Filter use its electrostatically charged fibers to attract and


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Filtrete Ultra Allergen Air Filter - 1500 (Purple)
Our Price: $22.99
Retail: $39.99
You Save 43%!

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Filtrete Ultimate Allergen Filter Deep Blue 6-Pack
(Ultimate Allergen 6pack)

The Ultimate Allergen Reduction Air Filter boasts a 1900 Microparticle Performance Rating (MPR), which represents the effectiveness of a filter at capturing the smallest airborne particles measured in the industry standard test.

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In stock! Ships in 1 business day.
Filtrete Ultimate Allergen Filter Deep Blue 6-Pack
Our Price: $123.99
Retail: $129.99
You Save 5%!

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3M Filtrete Ultra Allergen Air Filters 6-Pack
(Purple 6-PACK)

The 3M Filtrete Ultra Allergen Air Filter is the #1 Performance Filter on the market -- outperforming all other 1" AC Filters available! Not only will the Ultra Allergen use electrostatically charged fibers to attract & retain micro-particles it

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In stock! Ships in 1 business day.
3M Filtrete Ultra Allergen Air Filters 6-Pack
Our Price: $122.99
Retail: $149.99
You Save 18%!

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Filtrete Ultimate Allergen Air Filter (Deep Blue)
(Ultimate Allergen)

The Ultimate Allergen Reduction Air Filter boasts a 1900 Microparticle Performance Rating (MPR), which represents the effectiveness of a filter at capturing the smallest airborne particles measured in the industry standard test.


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Filtrete Ultimate Allergen Air Filter (Deep Blue)
Our Price: $23.99
Retail: $29.99
You Save 20%!

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Filtrete Micro Allergen Air Filter (Red Series)
(Micro Allergen)

The Filtrete Micro Allergen Air Filter blows away the competition when it comes to performance and filtration. The Filtrete "Red" Series AC Filter features 3M patented, electrostatically charged fibers which attract and retain microscopic particles


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Filtrete Micro Allergen Air Filter (Red Series)
Our Price: $21.99
Retail: $29.99
You Save 27%!

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3M Filtrete Micro Allergen Home Air Filter 6-Pack Red
(Red 6-Pack)

The Filtrete Micro Allergen Air Filter blows away the competition when it comes to performance and filtration. The Filtrete "Red" Series Filter features 3M patented, electrostatically charged fibers which attract and retain microscopic particles.

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In stock! Ships in 1 business day.
3M Filtrete Micro Allergen Home Air Filter 6-Pack Red
Our Price: $117.99
Retail: $159.99
You Save 26%!

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3M Filtrete Elite Allergen Home Air Filter 2200
(Elite Allergen)

The 3M Filtrete Elite Allergen Air Filter provides the most advanced, high performance home air filter available today. Also known as the 2200 filter, this filter is 94% effective at capturing large airborne contaminants such as mold spores.


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3M Filtrete Elite Allergen Home Air Filter 2200
Our Price: $27.99
Retail: $29.99
You Save 7%!

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3M Filtrete Dust & Pollen Furnace Filter 6-Pack LB
(Dust and Pollen 6-Pk)

The 3M Filtrete Dust & Pollen Furnace Filter is an electrostatically charged furnace filter ideal for high velocity HVAC systems. 3M Filtrete filters are an economical upgrade from cheap one month filters.


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3M Filtrete Dust & Pollen Furnace Filter 6-Pack LB
Our Price: $59.25
Retail: $60.11
You Save 1%!

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3M Filtrete Home Odor AC Filter - 20 x 25 x 1
(Filtrete-Odor-20251)

The 3M Filtrete Home Odor AC Filter - 20 x 25 x 1 features activated carbon technology along with electrostatically charged fibers to provide high performance air filtration in your home. This Filtrete air filter can remove common odors such as pet,


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3M Filtrete Home Odor AC Filter - 20 x 25 x 1
Our Price: $21.61
Retail: $29.99
You Save 28%!

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Filtrete Home Odor Furnace Air Filter- 20 x 20 x 1
(Filtrete-Odor-20201)

The Filtrete Home Odor Furnace Air Filter- 20 x 20 x 1 features activated carbon technology along with electrostatically charged fibers to provide high performance air filtration in your home. This Filtrete air filter can remove common odors such as


In stock! Ships in 1 business day.
Filtrete Home Odor Furnace Air Filter- 20 x 20 x 1
Our Price: $21.61
Retail: $29.99
You Save 28%!

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Filtrete Dust & Pollen Furnace Filter (Green)
(Dust and Pollen)

The Filtrete Dust & Pollen Furnace Filter is the right choice if you're looking for an economical upgrade from cheap 1 month furnace filters. The Filtrete "Blue Filter" features electrostatically charged fibers and is ideal for high-velocity..


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Filtrete Dust & Pollen Furnace Filter (Green)
Our Price: $11.99
Retail: $14.99
You Save 20%!

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Filtrete Odor Reduction Air Filter - 14 x 24 x 1
(Filtrete-Odor-14241)

The Filtrete Odor Reduction Air Filter - 14 x 24 x 1 is constructed with activated carbon to remove common odors from your home, including pet, smoke, cooking, mildew, and cleaning chemicals. In addition to creating a more breathable atmosphere, thi


In stock! Ships in 1 business day.
Filtrete Odor Reduction Air Filter - 14 x 24 x 1
Our Price: $21.66
Retail: $179.99
You Save 88%!

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Filtrete Home Odor Air Filter- 14 x 20 x 1
(Filtrete-Odor-14201)

The Filtrete Home Odor Air Filter- 14 x 20 x 1 effectively removes common odors in your home while also trapping airborne contaminants. This odor filter is constructed with activated carbon to remove odors like pet, smoke, cooking, mildew, and clean


In stock! Ships in 1 business day.
Filtrete Home Odor Air Filter- 14 x 20 x 1
Our Price: $21.61
Retail: $29.99
You Save 28%!

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3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1
(Filtrete-Odor-14301)

The 3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1 features activated carbon technology along with electrostatically charged fibers to provide high performance air filtration in your home. This Filtrete air filter can remove common odors such as


In stock! Ships in 1 business day.
3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1
Our Price: $21.61
Retail: $29.99
You Save 28%!

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Filtrete Deep 1500-2 Replacement 4" Air Filter 2-Pack
(Deep 1500-2)

The Filtrete Deep 1500-2 Replacement 4" Air Filter comes with greater depth for improved airflow and more effective containment reduction.


Special Order. Ships in 14 days.
Filtrete Deep 1500-2 Replacement 4" Air Filter
Our Price: $93.94

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Filtrete Home Odor Air Filter - 16 x 20 x 1 4-Pack
(Filtrete-Odor-16201)

The Filtrete Home Odor Air Filter - 16 x 20 x 1 is constructed with activated carbon to remove common odors from your home, including pet, smoke, cooking, mildew, and cleaning chemicals. In addition to creating a more breathable atmosphere, this car


In stock! Ships in 1 business day.
Filtrete Home Odor Air Filter - 16 x 20 x 1
Our Price: $86.44

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Filtrete One Inch Odor Air Filter - 20 x 30 x 1 4-Pack
(Filtrete-Odor-20301)

The Filtrete One Inch Odor Air Filter - 20 x 30 x 1 is constructed with activated carbon to remove common odors from your home, including pet, smoke, cooking, mildew, and cleaning chemicals. In addition to creating a more breathable atmosphere, this


Special Order. Ships in 3 days.
Filtrete One Inch Odor Air Filter - 20 x 30 x 1
Our Price: $86.44

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Filtrete 1 Inch Carbon Odor Air Filter 14 x 25 x 1 4-Pack 4-Pack
(Filtrete-Odor-14251)

The Filtrete 1 Inch Carbon Odor Air Filter 14 x 25 x 1 is a carbon air filter designed for residential use. This Filtrete air filter effectively removes odors (such as pet, smoke, cooking, mildew, and cleaning chemicals) through activated carbon. Th


In stock! Ships in 1 business day.
Filtrete 1 Inch Carbon Odor Air Filter 14 x 25 x 1 4-Pack
Our Price: $86.44

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3M Filtrete OAC150 Replacement Filter - 6-Pack 6-Pack
(OAC150RF)

The 3M Filtrete OAC150 Replacement Air Cleaner Filter is used in the 3M Filtrete OAC150 Office Air Cleaner. This replacement filter is also known as part number OAC150RF.

Free shipping within the continental United States!

Special Order. Ships in 3 days.
3M Filtrete OAC150 Replacement Filter - 6-Pack
Our Price: $162.00

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3M Filtrete Home Odor Furnace Filter - 18 x 24 x 1
(Filtrete-Odor-18241)

The 3M Filtrete Home Odor Furnace Filter - 18 x 24 x 1 effectively removes common odors in your home while also trapping airborne contaminants. This odor filter is constructed with activated carbon to remove odors like pet, smoke, cooking, mildew, a


In stock! Ships in 1 business day.
3M Filtrete Home Odor Furnace Filter - 18 x 24 x 1
Our Price: $29.99
Retail: $39.99
You Save 25%!

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3M Filtrete OAC250 Replacement Air Cleaner Filter 6-Pack
(OAC250RF)

The 3M Filtrete OAC250 Replacement Air Cleaner Filter is used in the 3M Filtrete OAC250 Office Air Cleaner Purifier. This filter replacement is also known as part number OAC250RF.


Special Order. Ships in 3 days.
3M Filtrete OAC250 Replacement Air Cleaner Filter
Our Price: $305.94

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3M Filtrete 4 Inch Allergen Reduction Filter
(4 inch Allergen)

3M Filtrete Allergen Reduction Filter for Media Air Cleaners are the smart choice if you're looking to upgrade or retrofit the air filter in your existing HVAC system. Captures 97% of large airborne allergens like pollen, mold spores, & dust mites.


This item has been discontinued. Please review the product description for more information.
3M Filtrete 4 Inch Allergen Reduction Filter
As Low As: $62.32
Retail: $69.99
You Save 11%!

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3M Filtrete 4 Inch Allergen Media Filter 4-pack
(4 inch Allergen 4-pack)

3M Filtrete Allergen Reduction Filter for Media Air Cleaners are the smart choice if you're looking to upgrade or retrofit the air filter in your existing HVAC system. Captures 97% of large airborne allergens like pollen, mold spores, & dust mites.

Free shipping within the continental United States!

This item has been discontinued. Please review the product description for more information.
3M Filtrete 4 Inch Allergen Media Filter 4-pack
Our Price: $130.00
Retail: $146.00
You Save 11%!

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3M Filtrete OAC200 Replacement Air Cleaner Filter 6-Pack
(OAC200RF)

The 3M Filtrete OAC200 Replacement Air Cleaner Filter is a replacement filter for the 3M Filtrete OAC200 Office Air Cleaner.


This item has been discontinued. Please review the product description for more information.
3M Filtrete OAC200 Replacement Air Cleaner Filter 6-Pack
Our Price: $45.99
Retail: $49.99
You Save 8%!

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3M Filtrete Pet Odor Home Filter
(Filtrete-Pet-20251)

The 3M Filtrete Pet Odor Home Filter attracts and captures particles caused by pets, smoke, cooking, mildew, and cleaning chemicals. Features an organic vapor capacity 65x higher than other national retail furnace filter brands.


This item has been discontinued. Please review the product description for more information.
3M Filtrete Pet Odor Home Filter
Our Price: $21.61
Retail: $29.99
You Save 28%!

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Filters Fast - 3M Filtrete Furnace Filters

" I just received my filters - thank you for the excellent work that you guys do! I'm a very happy customer. " - Mike, San Marcos, TX
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