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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.


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Air Filters product list


FiltersFast Aprilaire SpaceGard 2200 Air Filter MERV 13
(FFC20256SGM13)

The FiltersFast Aprilaire SpaceGard 2200 Air Filter MERV 13 is a compatible replacement filter for the genuine Aprilaire 2200 & 2250 Filter Media Replacement. It is an economical alternative that fits Aprilaire 2200 Air Cleaner and Aprilaire 2250


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FiltersFast Aprilaire SpaceGard 2200 Air Filter MERV 13
Our Price: $74.00
Retail: $80.00
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Skuttle Air Cleaner Filter 25x16x5 DB-25-16
(000-0448-001)

Skuttle 000-0448-001 Air Cleaner Filters measure 25"x16"x5", & effectively reduce airborne particles such as pet dander, mold spores, dust, dust mites, pollen and other allergens from your indoor environment.


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Skuttle Air Cleaner Filter 25x16x5 DB-25-16
Our Price: $31.45
Retail: $34.99
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Carrier GAPCCCAR2025 Air Filter for GAPAAXCC2025
(GAPCCCAR2025)

The Carrier GAPCCCAR2025 Air Filter is an air purifier filter replacement for the Carrier GAPAAXCC2025 Infinity Air Purifier. It will also fit compatible units by Bryant, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air puri

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Carrier GAPCCCAR2025 Air Filter for GAPAAXCC2025
Our Price: $102.95
Retail: $149.95
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FiltersFast Brand 16x25x5 Honeywell FC100A1029 2-Pack
(FFC16255HONM8)

The FiltersFast Brand 16x25x5 Honeywell FC100A1029 2-Pack is a compatible version of the OEM Honeywell 16x25x5 FC100A1029 Air Filter. This filter is supported by a 30 gauge galvanized expanded metal grid.


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FiltersFast Brand 16x25x5 Honeywell FC100A1029 2-Pack
Our Price: $44.95
Retail: $59.99
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FiltersFast Replacement For Trion MERV 8 Filter 20x20x5 2-Pack
(FFC20205TABM8)

The Trion FFC20205TABM8 20x20x5 MERV 8 Compatible Air Bear Furnace Filter replacement is an economical alternative for the OEM - Trion 255649-103 Air Bear Media Filter 20x20x5.


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FiltersFast Replacement For Trion MERV 8 Filter 20x20x5 2-Pack
Our Price: $42.99
Retail: $50.00
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FiltersFast Replacement For Aprilaire Space Gard 2200 20x25x6
(FFC20256SG)

The FiltersFast FFC20256SG is the correct replacement for the Aprilaire Space Gard 20x25x6.


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FiltersFast Replacement For Aprilaire Space Gard 2200 20x25x6
Our Price: $60.99
Retail: $69.99
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3-Pack Trion Air Bear Cub Filter 16x25x5 MERV 11
(259112-105 3pack)

The 3-Pack Trion Air Bear Cub Filter 16x25x5 MERV 11 is a replacement filter pack for your Air Bear whole house air cleaner. These Trion Air Bear Cub filters trap common air pollutants inside of the filter, which help allow air to flow through the s


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3-Pack Trion Air Bear Cub Filter 16x25x5 MERV 11
Our Price: $68.99
Retail: $84.99
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Carrier GAPCCCAR2020 Air Purifier Filter
(GAPCCCAR2020)

The Carrier GAPCCCAR2020 Air Purifier Filter is a genuine OEM factory replacement air filter for the Carrier Infinity Air Purifier, Bryant Perfect Air Purifier, as well as other compatible air purifiers made by BDP, Payne, Day and Night Infinity, an

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Carrier GAPCCCAR2020 Air Purifier Filter
Our Price: $92.09
Retail: $94.59
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FiltersFast Brand Trane 21x21.5x5 BAYFTAH21M 2Pack
(FFC215215TRNM8)

This FiltersFast Filter for Trane 21x21.5x5 BAYFTAH21M 2Pack is an economical compatible version of the genuine OEM Trane Perfect Fit 21.5x21x5 Filter.


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FiltersFast Brand Trane 21x21.5x5 BAYFTAH21M 2Pack
Our Price: $64.99
Retail: $70.00
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Lennox X0585 MERV 11 Pleated Media Filter
(X0585)

This Lennox Lennox X0585 MERV 10 Pleated Media Filter offers a pleated a design for more efficient and effective filtration.


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Lennox X0585 MERV 11 Pleated Media Filter
Our Price: $35.99
Retail: $39.99
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Honeywell Enviracaire HC26E 1004 Humidifier Filter
(HC26E 1004)

The Honeywell Enviracaire HC26E 1004 replacement genuine humidifier filter features Agion antimicrobial protection to prevent bacterial growth.


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Honeywell Enviracaire HC26E 1004 Humidifier Filter
As Low As: $16.99
Retail: $18.89
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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
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Honeywell FC100A1003 16x20x5 Pleated Air Filter
(FC100A1003)

The Honeywell FC100A1003 16"x20" Media AC Filter can be used with Honeywell 16 x 20 Air Cleaners including the Honeywell F100F1004, F100B1008, F150E1000, F100F2028, and others. Genuine Honeywell Part.


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Honeywell FC100A1003 16x20x5 Pleated Air Filter
As Low As: $30.99
Retail: $49.99
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Honeywell HAC-504 Replacement Humidifier Filter
(HAC-504)

The Honeywell HAC-504 replacement HEPA cool mist humidifier filter reduces contaminants and minerals in your water to prevent airborne pollution and humidifies the air. The ProTec antimicrobial treatment prevents the growth of bacteria.


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Honeywell HAC-504 Replacement Humidifier Filter
Our Price: $11.99
Retail: $14.99
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FiltersFast Trane Perfect Fit BAYFTAH23M 21x23.5x5 2pk
(FFC21235TRN)

These MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These FiltersFast Air Filters specifically replace Trane part number BAYFTAH23M or FLR06073, which is a 21x23.5x5 Air Filter used in several Trane Air Cleaner.


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FiltersFast Trane Perfect Fit BAYFTAH23M 21x23.5x5 2pk
Our Price: $78.95
Retail: $99.00
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Carrier GAPCCCAR1620 Air Purifier Filter
(GAPCCCAR1620)

The Carrier GAPCCCAR1620Air Purifier Filter is a genuine OEM factory replacement air filter for the Carrier Infinity Air Purifier, Bryant Perfect Air Purifier, as well as other compatible air purifiers made by BDP, Payne, and Totaline (models GAPAA

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Carrier GAPCCCAR1620 Air Purifier Filter
As Low As: $77.95
Retail: $84.99
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FiltersFast Trane Perfect Fit BAYFTAH26M 21x26x5 2pk
(FFC26215TRN)

These FiltersFast MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These FiltersFast Air Filters specifically replace Trane part number BAYFTAH26M, which is a 21x26x5 Air Filter used in several Trane Air Cleaner

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FiltersFast Trane Perfect Fit BAYFTAH26M 21x26x5 2pk
Our Price: $94.00
Retail: $199.99
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Trion Air Bear Media Filter 3-Pack 16x25x5, MERV 8
(255649-105 3pack)

The Trion Air Bear Media AC Filter 16x25x5 part number 255649-105 is a genuine Trion Air Bear pleated media A/C filter. The 255649105 can be used in Trion models Air Bear Supreme 1400 and Trion Air Bear 1400.


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Trion Air Bear Media Filter 3-Pack 16x25x5, MERV 8
Our Price: $61.99
Retail: $111.00
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FiltersFast A35WPR Replacement For Aprilaire A35WPR, 600
(A35WPR)

The FiltersFast Brand Aprilaire A35WPR Water Panel 600 replacement humidifier filter is an evaporator panel that delivers moisture throughout the air in your home.


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FiltersFast A35WPR Replacement For Aprilaire A35WPR, 600
As Low As: $11.45
Retail: $14.99
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Trane BAYFTFREXM2 Expandable Replacement-2-Pack
(BAYFTFREXM2)

The Trane BAYFTFREXM2 Expandable Replacement Media is a pair of furnace air filters that can only be used with a Retrofit Frame Kit already installed. This Trane air filter measures approximately 25" in length x 5" in thickness. This Trane Perfect F


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Trane BAYFTFREXM2 Expandable Replacement-2-Pack
Our Price: $60.95
Retail: $69.99
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Skuttle Air Cleaner Filter Replacement for DB2520
(448-002)

The Skuttle Air Cleaner Filter Replacement for DB2520 is a replacement air filter for the Skuttle DB-25-20 Air Cleaner. The deep-pleated, MERV 8 filter media of this replacement filter provides high-volume service that traps airborne particles to pr


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Skuttle Air Cleaner Filter Replacement for DB2520
Our Price: $31.95
Retail: $39.95
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3M Filtrete FAPF03 Replacement Air Filter Media
(FAPF03)

The Filtrete FAPF03 Air Filter is the replacement air cleaning filter for the Filtrete Ultra Clean Air Purifier FAP03-RS, FAP03. This electrostatically charged filter attracts & retains microparticles that can aggravate allergies and ...


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3M Filtrete FAPF03 Replacement Air Filter Media
As Low As: $21.95
Retail: $39.99
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Aprilaire 45-400 Humidifier Panel Filter 2-Pack
(Aprilaire 45)

Never run out of filters during the season with the Aprilaire 45 replacement cool mist humidifier water panel comes in a convenient 2-pack. The Aprilaire humidifier pad is the key component for generating humidity in your Aprilaire 400 humidifier.


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Aprilaire 45-400 Humidifier Panel Filter 2-Pack
As Low As: $27.99
Retail: $39.99
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Honeywell FC40R1029 20x30x3 Return Grille Filter
(FC40R1029)

The Honeywell FC40R1029 is a high-efficiency, replacement filter for return grille applications that will capture airborne particles as small as 0.3 microns in size.


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Honeywell FC40R1029 20x30x3 Return Grille Filter
Our Price: $47.95
Retail: $74.81
You Save 36%!

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Carrier EXPXXFIL0020 EZ-FLEX Air Purifier Filter
(EXPXXFIL0020)

The Carrier EXPXXFIL0020 Air Purifier Filter is a genuine OEM factory replacement air filter for Bryant, Carrier, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air purifiers. It will fit many compatible air purifiers includin


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Carrier EXPXXFIL0020 EZ-FLEX Air Purifier Filter
Our Price: $43.95
Retail: $49.95
You Save 12%!

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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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