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Air Filter Shield

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.


Air Filters full product list:


Honeywell FC40R1136 18x24 Return Grille Air Filter
(FC40R1136)

The Honeywell FC40R1136 is the correct replacement for the following air return grille filters: Most air return filter grilles. The Honeywell FC40R1136 18x24 Return Grille Air Filter measures 18 inches by 24 inches.


In Stock! Ships in 43 to 44 business days.
Honeywell FC40R1136 18x24 Return Grille Air Filter
Our Price: $49.95
Retail: $59.99
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BestAir R14ALLM Replacement For Kenmore 83237 2-Pack
(KENMORE 83237 1 R)

The Kenmore 83237 is the correct replacement for the following air cleaners: Kenmore Air Cleaners


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BestAir R14ALLM Replacement For Kenmore 83237 2-Pack
Our Price: $19.95
Retail: $24.99
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Carrier 49BB680044 Humidifier Filter Replacement
(49BB680044)

The Carrier 49BB680044 is the correct replacement for the following humidifiers: Carrier 49BB001/910A Whole House Humidifiers, Carrier 49BH/912A-912B Whole House Humidifiers, Bryant Whole House Humidifiers


Special Order. Ships in 15 days.
Carrier 49BB680044 Humidifier Filter Replacement
Our Price: $69.99
Retail: $79.99
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AutoFlo 97EP Replacement for Carrier 318501-761 Humidifier Filter
(318501-761 C)

The AutoFlo 97EP Replacement for Carrier 318501-761 Humidifier Filter Replacement is the correct replacement humidifier filter for several humidifier models from Carrier.


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AutoFlo 97EP Replacement for Carrier 318501-761 Humidifier Filter
As Low As: $17.95
Retail: $24.99
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Lennox 72H09 EAC-2000 Carbon Filter Replacement
(72H09)

The Lennox 72H09 EAC-2000 Carbon Filter Replacement is a replacement carbon air filter for the Lennox EAC-20 and EAC-2000 air cleaners. This charcoal filter is an genuine Lennox part and is made from high quality construction material.

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In Stock! Ships in 2 to 3 business days.
Lennox 72H09 EAC-2000 Carbon Filter Replacement
Our Price: $109.95
Retail: $119.99
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Lennox Y2920 Whole House Air Filter Cabinet - Genuine Lennox Part
(Y2920)

The Lennox Y2920 Whole House Air Filter Cabinet is the correct system that is: Compatible with any HVAC system and does not require an additional power source

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In Stock! Ships in 8 to 9 business days.
Lennox Y2920 Whole House Air Filter Cabinet - Genuine Lennox Part
Our Price: $99.95
Retail: $118.99
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BestAir R14ALLM Replacement for Honeywell HRF-B2 1 R 2-Pack
(HRF-B2 1 R)

The Honeywell HRF-B2 Carbon PreFilter 2-Pack is the correct replacement for the following models of Honeywell air purifiers: HHT-090, HHT-011, HHT-145, HPA-150, HPA-050. This carbon prefilter removes mold spores, pet dander, tobacco smoke.


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BestAir R14ALLM Replacement for Honeywell HRF-B2 1 R 2-Pack
Our Price: $19.95
Retail: $24.99
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FiltersFast FFC21235TRNM13 Replacement for Trane BAYFTAH23M, 21x23x5 Perfect Fit
(FFC21235TRNM13)

The FiltersFast Brand Trane 21x23x5 Perfect Fit BAYFTAH23M is a compatible version of the genuine Trane Perfect fit 21x23x5 Air Filter.

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In Stock! Ships in 1 to 2 business days.
FiltersFast FFC21235TRNM13 Replacement for Trane BAYFTAH23M, 21x23x5 Perfect Fit
Our Price: $91.95
Retail: $139.99
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Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack 4-Pack
(98N42)

The Lennox 98N42 is a MERV 8 furnace filter 4-pack for your home. This furnace filter will protect your home from unhealthy contaminants and help keep your heating and cooling bill low.


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Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack
Our Price: $43.96

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FiltersFast A10PR R Replacement for Lasko 5000L
(Lasko 5000L R)

The FiltersFast A10PR R is the correct replacement for the Lasko 5000L R and for the following humidifier models:


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FiltersFast A10PR R Replacement for Lasko 5000L
As Low As: $8.95
Retail: $19.99
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Duracraft 5010 Replacement for Honeywell 10590 HEPA Filter
(Honeywell 10590 R)

The Honeywell 10590 HEPA Filter Replacement is a replacement air filter for use with several Honeywell and Duracraft air cleaner models. This HEPA filter measures approximately 10 7/8" OD x 6 1/4" ID x 4" H and removes up to 99.97% of airborne parti


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Duracraft 5010 Replacement for Honeywell 10590 HEPA Filter
Our Price: $31.99
Retail: $59.99
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FiltersFast Replacement for Duracraft ACA-1010 Air Cleaner Filter
(ACA-1010)

The Duracraft ACA-1010 Air Cleaner Filter Replacement is a HEPA filter which is 99.97% effective at removing dust, dirt, pollen, fibers, pet hair and dander, mold and spores as small as 0.3 microns.


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FiltersFast Replacement for Duracraft ACA-1010 Air Cleaner Filter
Our Price: $21.99
Retail: $24.99
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Carrier FILCCCAR0016 Air Purifier Filter
(FILCCCAR0016)

The Carrier FILCCCAR0016 Air Purifier Filter is a genuine OEM factory replacement air filter for Bryant, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air purifiers. It fits numerous units including model numbers FILBBCAR0016


In stock! Ships in 1 business day.
Carrier FILCCCAR0016 Air Purifier Filter
Our Price: $39.99
Retail: $49.99
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FiltersFast FFC24265TRNM13 Replacement for Trane BAYFTFR24M, 24x26x5 Perfect Fit - 2-Pack
(FFC24265TRNM13)

FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M Merv 13 2 Pack.

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In Stock! Ships in 1 to 2 business days.
FiltersFast FFC24265TRNM13 Replacement for Trane BAYFTFR24M, 24x26x5 Perfect Fit - 2-Pack
Our Price: $84.95
Retail: $139.99
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BestAir R14ALLM Replacement For Sunbeam 6618 2-Pack
(SUNBEAM 6618)

The Sunbeam 6618 Carbon prefilter 2-pack works with your Sunbeam 2590 air purifier. This convenient two pack will keep noxious gases and large particulates out of your homes air. This will increase the life of your air purifiers HEPA filter.


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BestAir R14ALLM Replacement For Sunbeam 6618 2-Pack
Our Price: $19.95
Retail: $24.99
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GeneralAire 4561, F1016 MERV 11 Filter Media Cartridge
(4561)

The General Aire 4561 F1016 MERV 11 Filter Media Cartridge is the replacement part for the General Air TERSus2000 System. This GeneralAir Filter reduces airborne particles as small as 0.3 micron in order to improve indoor air quality dramatically.


Special Order. Ships in 8 days.
GeneralAire 4561, F1016 MERV 11 Filter Media Cartridge
Our Price: $59.99
Retail: $69.99
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Aprilaire 5153 EZ Kleen Filter Replacement - 2-Pack
(5153)

The Aprilaire 5153 fits the following model ventilator: 8100 Energy Recovery Ventilator. Aprilaire EZ Kleen Filter Replacement 2-Pack is a washable replacement filter.


Special Order. Ships in 10 days.
Aprilaire 5153 EZ Kleen Filter Replacement - 2-Pack
Our Price: $39.95
Retail: $44.99
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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: $90.44

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Electrolux EAF1CB Replacement for Frigidaire 241575002
(241575002)

The Frigidaire 241575002 Replacement Air Filter fits Icon and Pure Advantage refrigerator models manufactured by Electrolux and Frigidaire. This refrigerator air filter, also known as the Frigidaire EAF1CB, uses a combination of activated carbon


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Electrolux EAF1CB Replacement for Frigidaire 241575002
Our Price: $15.95
Retail: $19.99
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Aprilaire 261 Spacegard 2600 Filter Media Replacement 10-Pack
(Aprilaire 261)

This genuine Spacegard Aprilaire 2600 Filter Media Replacement, also known as the Aprilaire 261 Filter, is the replacement filter used in the Spacegard Aprilaire 2600 Air Cleaner. The Aprilaire 261 Air Filter / Aprilaire 2600 Replacement Filter is a


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Aprilaire 261 Spacegard 2600 Filter Media Replacement
Our Price: $649.90

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FiltersFast RHF0525 Aluminum Range Hood Filter
(FFMH-006)

The FiltersFast FFMH-006 Oven Hood Range Filter is the compatible replacement filter for the American Metal Filter RHF0525 and Whirlpool 6802A.


In Stock! Ships in 7 to 8 business days.
FiltersFast RHF0525 Aluminum Range Hood Filter
As Low As: $11.99
Retail: $19.99
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American Metal Filter RCP0907 Replacement Range Hood Filter
(RCP0907)

The GE WB2X8293 Compatible Range Hood Filter measures 9" x 10 1/2" x 3/8" (measure your old filter to ensure a perfect fit). This carbon range hood filter is a compatible replacement for the GE WB2X8293 and is not washable.


In Stock! Ships in 8 to 9 business days.
American Metal Filter RCP0907 Replacement Range Hood Filter
Our Price: $14.99
Retail: $19.99
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FiltersFast A10PR R Replacement For Payne HUMBBSBP2312-A
(P HUMBBSBP2312-A R)

The FiltersFast A10PR R is the correct replacement for the Payne HUMBBSBP2312-A Water Panel Filter and for the following models of humidifiers:


In stock! Ships in 1 business day.
FiltersFast A10PR R Replacement For Payne HUMBBSBP2312-A
As Low As: $8.95
Retail: $19.99
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BestAir R14ALLM Replacement For Honeywell 35200 2-Pack
(35200)

The Honeywell 35200 is the correct replacement for the following air purifiers: Honeywell HEPA Air Purifier Cleaners


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BestAir R14ALLM Replacement For Honeywell 35200 2-Pack
Our Price: $19.95
Retail: $24.99
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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


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3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1
Our Price: $29.95
Retail: $39.99
You Save 25%!

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Filters Fast - Air Filters

" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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