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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:


Lennox X8348 PCO-20C MERV 10 Filter Maintenance Kit
(X8348)

The Lennox X8348 MERV 10 Filter Maintenance Kit is a maintenance kit for the Lennox PCO-20C PureAir Air Purification System. This PureAir maintenance kit includes: one MERV 10 filter, also known as part number X6667; one catalyst insert, also known

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Lennox X8348 PCO-20C MERV 10 Filter Maintenance Kit
Our Price: $229.95
Retail: $354.99
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GeneralAire 3FM1625 MERV 8 Filter Media Cartridge
(4521)

The General Air 3FM1625 MERV8 Filter Cartridge measures 16"x25"x3", and is the correct filter for General Aire MAC1200 Series Air Cleaners. This General Aire filter will dramatically reduce airborne contaminates to provide much healthier indoor air.


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GeneralAire 3FM1625 MERV 8 Filter Media Cartridge
Our Price: $22.99
Retail: $29.99
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GeneralAire HF500 HEPA Filter for AC500
(4620)

The GeneralAire HF500 HEPA Filter for AC500 is a replacement air filter for the GeneralAire Model AC500 Air Cleaner. This HEPA filter is 99.7% efficient at reducing airborne particles down to 0.30 microns. This HEPA air filter, also known as the RHF

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GeneralAire HF500 HEPA Filter for AC500
Our Price: $97.62
Retail: $149.99
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FiltersFast A10PR R Replacement for Trane BAYPAD01A1010A
(BAYPAD01A1010A 1 R)

The FiltersFast A10PR R is the correct replacement for the Trane BAYPAD01A1010A 1 R and for the following humidifier models:


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FiltersFast A10PR R Replacement for Trane BAYPAD01A1010A
As Low As: $7.99
Retail: $12.99
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Trion Air Bear 259112-105 Cub Filter 16x25x5 MERV 11
(259112-105)

This Trion Air Bear 259112-105 Filter is the correct replacement for the following air cleaning system: Trion Air Bear Duct Mount Media Air Cleaner


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Trion Air Bear 259112-105 Cub Filter 16x25x5 MERV 11
Our Price: $31.95
Retail: $36.99
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FiltersFast FFC20205TAB Replacement for Trion 255649-103 2-Pack
(FFC20205TAB)

The FiltersFast Compatible 20x20x5 MERV 11 Air Filter can be used as an upgrade for Trion Air Bear part number 255649-103. Upgrade your Trion Air Bear Filter today and save!


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FiltersFast FFC20205TAB Replacement for Trion 255649-103 2-Pack
Our Price: $50.80
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Aprilaire 1413 Air Filter Performance Upgrade Kit
(Aprilaire 1413)

The Aprilaire 1413 is an Aprilaire Upgrade Kit that allows owners of Spacegard 2400 and Aprilaire 2400 air cleaners to use the MERV 13 Aprilaire 413 Filter instead of their MERV 10 Aprilaire 401 Filter. This improves air cleaning performance by 65 p


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Aprilaire 1413 Air Filter Performance Upgrade Kit
Our Price: $56.95
Retail: $65.99
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Carrier Bryant 49BF Humidifier Filter Replacement
(318518-761)

The Carrier Bryant 49BF Humidifier Filter Replacement is also known as Carrier Bryant 318518-761.


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Carrier Bryant 49BF Humidifier Filter Replacement
Our Price: $30.49
Retail: $34.99
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Lennox X0444 MERV 10 Pleated Furnace Filter Media PMAC-12C
(X0444)

The Lennox X0444 MERV 10 Pleated Furnace Filter Media is a filter for your HVAC system. This furnace filter media is known as the x0444 and uses a MERV 10 air filter.The MERV 10 rating will provide your home with significant air cleaning capability


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Lennox X0444 MERV 10 Pleated Furnace Filter Media PMAC-12C
Our Price: $37.95
Retail: $43.99
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FiltersFast FF 30915 Replacement for Hunter 30915
(30915)

The Hunter 30915 HEPAtech Purifier Filter is an electrostatically-charged filter that captures 99.97% of particles as small as 0.3 microns.


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FiltersFast FF 30915 Replacement for Hunter 30915
Our Price: $13.99
Retail: $16.99
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Aprilaire 4510 Replacement Air Filter - 1700, 1710A
(4510)

The Aprilaire 4510 is the correct replacement for the following dehumidifier: Aprilaire 1700 Dehumidifier


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Aprilaire 4510 Replacement Air Filter - 1700, 1710A
Our Price: $33.95
Retail: $39.99
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Honeywell FC200E1003 MERV 13 Media Filter-16x20x5
(FC200E1003)

The Honeywell FC200E1003 Media Filter fits all Honeywell 16x20 Air Cleaners including the F200E Enviracaire Elite Series and others. Genuine Honeywell Part.


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Honeywell FC200E1003 MERV 13 Media Filter-16x20x5
As Low As: $42.49
Retail: $79.99
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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: $22.61
Retail: $29.99
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Trion Air Bear Media AC Filter 20x20x5 4-Pack
(255649-103 4pack)

The Trion Air Bear Media AC Filter 20x20x5 part number 255649-103 is a genuine Trion Air Bear pleated media A/C filter. The 255649103 can be used in Trion 20" x 20" Models including model number 455604-019. Replaces 229990-103 and 248713-103.


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Trion Air Bear Media AC Filter 20x20x5 4-Pack
Our Price: $80.00
Retail: $99.99
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Honeywell 203371 Air Cleaner Pre-Filter 2-PACK
(203371)

The Honeywell 203371 is the correct replacement for the following air cleaners: Honeywell F300E1019 Honeywell F58A1001 Honeywell F58E1002 Honeywell F50F1073 Honeywell F58F1018 Honeywell F50E1158 Honeywell F50E1174 Honeywell F50E1281 Honey


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Honeywell 203371 Air Cleaner Pre-Filter 2-PACK
Our Price: $58.59
Retail: $67.99
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FiltersFast FFC20205HONM13 Replacement for Honeywell FC100A1011, 20x20x5 2-Pack
(FFC20205HONM13)

The FiltersFast Brand Honeywell 20x20x5 FC100A1011 2-Pack is a compatible version of the genuine Honeywell FC100A1011 20"x20" Media AC Filter. This filter replacement is also known as part number FFC20205HONM13.


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FiltersFast FFC20205HONM13 Replacement for Honeywell FC100A1011, 20x20x5 2-Pack
Our Price: $81.99
Retail: $95.99
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FiltersFast FFC20265WRM8 Replacement for White Rodgers 20x26x5 F825-0549 2-Pack
(FFC20265WRM8)

The FiltersFast Brand 20x26x5 Air Filter F825-0549 is a compatible alternative for the OEM White Rodgers 20x26x5 Air Filter. This filter is made of fine carbon powder bonded to lofted polyester media for odor reduction.


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FiltersFast FFC20265WRM8 Replacement for White Rodgers 20x26x5 F825-0549 2-Pack
Our Price: $42.99
Retail: $49.99
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FiltersFast FFC20255HONM8 Replacement for Honeywell 20x25x5 FC100A1037 2-Pack
(FFC20255HONM8)

The FilterFast Brand Honeywell 20x25x5 FC100A1037 2-Pack is the compatible version of the OEM Honeywell 20x25x5 Air Filter FC100A1037.


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FiltersFast FFC20255HONM8 Replacement for Honeywell 20x25x5 FC100A1037 2-Pack
Our Price: $41.99
Retail: $59.99
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FiltersFast FF 30930 Replacement for Hunter 30930
(30930)

The FiltersFast FF 30930 is the compatible replacement for the Hunter 30930 HEPAtech Purifier Filter.


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FiltersFast FF 30930 Replacement for Hunter 30930
Our Price: $29.99
Retail: $35.99
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FilterFast FFC215215TRNM13 Replacement for Trane BAYFTAH21M, 21.5x21x5 Perfect Fit - MERV13, 2-Pack
(FFC215215TRNM13)

The FilterFast Brand Trane 21.5x21x5 Perfect Fit Filter BAYFTAH21M, FLR06072, BAYFTAH21M2 is a compatible economical alternative for the genuine Trane 21.5x21x5 Perfect Fit Filter that comes in a 2-pack value set.


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FilterFast FFC215215TRNM13 Replacement for Trane BAYFTAH21M, 21.5x21x5 Perfect Fit - MERV13, 2-Pack
Our Price: $70.95
Retail: $139.99
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Trion 259112-101 Air Bear Cub Filter 16x25x3 MERV 11 - 6-Pack
(259112-101 6Pack)

The Trion Air Bear Cub Filter 16x25x3 MERV 11 6-Pack can be used Trion AirBear Air Cleaners and all air cleaners that need 16"x25"x3" air filters. These Trion filters are an economical upgrade from simple poly-pleated or fiberglass filters.

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Trion 259112-101 Air Bear Cub Filter 16x25x3 MERV 11 - 6-Pack
Our Price: $92.99
Retail: $109.99
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BestAir A35WPR Replacement For Trane BAYPAD02A1310A
(T BAYPAD02A1310A R)

This FiltersFast Brand Trane BAYPAD02A1310A Humidifier Panel Filter offers Honeycomb filtration to trap mineral impurities found in water. You should replace your Trane filter twice a season or more often in hard water areas.


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BestAir A35WPR Replacement For Trane BAYPAD02A1310A
As Low As: $12.45
Retail: $15.99
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FiltersFast FFC16255TABM13 Replacement for Trion 16x25x5 Air Bear MERV13 - 2-Pack
(FFC16255TABM13)

The FiltersFast Brand Trion 16x25x5 Air Bear MERV13 2-Pack Furnace Filter is the compatible version of the genuine Trion Air Bear Media AC Filter 16x25x5, 255649-105.

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FiltersFast FFC16255TABM13 Replacement for Trion 16x25x5 Air Bear MERV13 - 2-Pack
Our Price: $95.00
Retail: $110.99
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FiltersFast EF1 R Replacement For Kenmore 14410 Emerson MoistAir EF1
(EF1 R)

The EF1 R is the correct replacement for the Kenmore EF1-EF21 14410 Emerson MoistAir MAF 1 Filter.


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FiltersFast EF1 R Replacement For Kenmore 14410 Emerson MoistAir EF1
As Low As: $11.49
Retail: $19.99
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Lennox X0584 MERV 11 Pleated Media Filter BMAC-14CE
(X0584)

The Lennox X0584 MERV 11 Pleated Media Filter is a pleated air filter that replaces the filter media in the Lennox BMAC-14CE box media air cleaner and also fits inside Lennox the EAC012 and EAC0-14 model air cleaner cabinets in place of its electron


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Lennox X0584 MERV 11 Pleated Media Filter BMAC-14CE
As Low As: $33.95
Retail: $81.99
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Filters Fast - Air Filters

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