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Find Replacement Air Filters Fast & Easy!

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


Aprilaire SpaceGard 2400 Air Filter MERV 13 2-Pack
(FFC162766SGMM13)

The Aprilaire SpaceGard 2400 Air Filter is a compatible filter replacement for the Aprilaire SpaceGard 2400 Air Cleaner System.


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Aprilaire SpaceGard 2400 Air Filter MERV 13 2-Pack
Our Price: $79.00
Retail: $90.00
You Save 12%!

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Honeywell FC100A1037 Air Filter 20 x 25 x 4
(FC100A1037)

The Honeywell 20X25 Air Filter Replacement is a MERV 10 high efficiency media air cleaner that can be used in all compatible size air ducts plus Honeywell cleaners that require a 20"W x 25"L x 5"D filter. It will also fit the following Honeywell Med


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Honeywell FC100A1037 Air Filter 20 x 25 x 4
Our Price: $31.99
Retail: $34.99
You Save 9%!

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Filters Fast 2" MERV 11 Air Filters 6-Pack
(FFM1162)

The Filters Fast 2" MERV 11 Air Filters are an economical alternative to genuine OEM air furnace filters of the same size and come in a convenient 6-pack value set.


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Filters Fast 2" MERV 11 Air Filters 6-Pack
Our Price: $66.99
Retail: $89.99
You Save 26%!

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Trane 17.5x27x5 BAYFTFR17M Filter 2-Pack
(FFC175275TRNM8)

The Trane 17.5x27x5 Perfect Fit BAYFTFR17M Filter is a compatible version of the genuine OEM Trane Perfect-Fit BAYFTFR17M.


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Trane 17.5x27x5 BAYFTFR17M Filter 2-Pack
Our Price: $48.99
Retail: $70.00
You Save 30%!

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Honeywell FC100A1029 Media Furnace Filter- 16 x 25
(FC100A1029)

Improve the quality of air around your home with the Honeywell FC100A1029 replacement air filter media. The deep pleated 5-inch filter design features a greater surface area to improve air flow during the life of the product.


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Honeywell FC100A1029 Media Furnace Filter- 16 x 25
As Low As: $34.00
Retail: $37.00
You Save 8%!

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Aprilaire 201 Compatible Media Filter 2-Pack
(SGMPR-B)

The Space-Gard SGMPR-B Compatible MERV 11 Media Filter (2-Pack) come pre-assembled and replace AprilAire 201 air filters for use on Space-Gard Models 2200 & 2250 Air Cleaners.


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Aprilaire 201 Compatible Media Filter 2-Pack
Our Price: $39.90
Retail: $59.99
You Save 33%!

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Honeywell FC100A1011 20"x20" Media AC Filter
(FC100A1011)

The Honeywell FC100A1011 20"x20" Media AC Filter is a high efficiency Media Air Filter that can be used in Honeywell 20 x 20 Air Cleaners. Genuine Honeywell Part.


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Honeywell FC100A1011 20"x20" Media AC Filter
As Low As: $24.95
Retail: $34.60
You Save 28%!

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Trion Air Bear Filter 20 x 25 x 5 - 255649-102
(255649-102)

The Trion Air Bear Media AC Filter 20x25x5 part number 255649-102 is a genuine Trion Air Bear pleated media filter. The 255649102 replaces part numbers 229990-002, 229990-102, and can be used in Trion Air Bear air cleaners. Genuine Trion part.


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Trion Air Bear Filter 20 x 25 x 5 - 255649-102
Our Price: $26.99
Retail: $29.99
You Save 10%!

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Trion 16x25x5 Air Bear Furnace Filters MERV 8 by FiltersFast
(FFC16255TABM8)

The Trion 16x25x5 Air Bear Furnace Filter is an economical alternative to the OEM Trion 16x25x5 Air Bear Media AC Filter 255649-105.


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Trion 16x25x5 Air Bear Furnace Filters MERV 8 by FiltersFast
Our Price: $35.95
Retail: $40.00
You Save 10%!

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Carrier GAPCCCAR1625 Air Filter for GAPAAXCC1625
(GAPCCCAR1625)

The Carrier GAPCCCAR1625 Air Filter is an air purifier filter replacement for the Carrier GAPAAXCC1625 GAPA Infinity Air Purifier. It will also fit compatible units by Bryant, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air


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Carrier GAPCCCAR1625 Air Filter for GAPAAXCC1625
Our Price: $87.99
Retail: $89.99
You Save 2%!

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Honeywell FC100A1037 Compatible 20x25x5, 2-pack
(FFC20255HON)

The Honeywell FC100A1037 Compatible20x25x5 MERV 11 Air Filter can be used as an upgrade for Honeywell part number FC100A1037. Upgrade your Honeywell Media Filter today and get a better filter for the same price as the original manufacturer's brand!


In Stock! Ships in 1 to 2 business days.
Honeywell FC100A1037 Compatible 20x25x5, 2-pack
Our Price: $49.90
Retail: $75.00
You Save 33%!

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Aprilaire SpaceGard 2200 Air Filter MERV 13 2-Pack
(FFC20256SGM13)

The Aprilaire SpaceGard 2200 Air Filter 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 Air Cleaner.


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Aprilaire SpaceGard 2200 Air Filter MERV 13 2-Pack
Our Price: $73.00
Retail: $80.00
You Save 9%!

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3M Filtrete FAPF03 Air Filter Compatible for FAP03
(FFFAPF03)

The Filters Fast Filtrete FAPF02 Compatible Air Filter is a compatible filter to 3M Filtrete's FAPF02 Air Filter, and as such is a replacement filter for Filtrete's Ultra Clean Air Purifier model FAP02-RS.


In stock! Ships in 1 business day.
3M Filtrete FAPF03 Air Filter Compatible for FAP03
Our Price: $15.99
Retail: $39.99
You Save 60%!

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Filters Fast FC100A1029, FILCCCAR0016 16x25x5, 2pk
(FFC16255HON)

The Filters Fast, Carrier Compatible 16x25x5 MERV 11 Air Filter can be used as an upgrade for Honeywell part number FC100A1029. Upgrade your Honeywell Media Filter today and get a better filter for the same price as the manufacturer's brand!


In Stock! Ships in 1 to 2 business days.
Filters Fast FC100A1029, FILCCCAR0016 16x25x5, 2pk
Our Price: $49.90
Retail: $70.00
You Save 29%!

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Honeywell 16x25x5 Filter FC100A1029 MERV 8 2-Pack
(FFC16255HONM8)

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


In Stock! Ships in 1 to 2 business days.
Honeywell 16x25x5 Filter FC100A1029  MERV 8 2-Pack
Our Price: $41.73
Retail: $59.99
You Save 30%!

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Trion Air Bear Supreme 2000 Filter 20x25x5
(259112-102)

The Trion Air Bear Supreme 2000 Filter 20x25x5 is a whole house air filter with a MERV 11 rating that captures 90% of particles that are between 3 to 10 microns in size. This air bear filter boasts efficient synthetic material that contains extended


In stock! Ships in 1 business day.
Trion Air Bear Supreme 2000 Filter 20x25x5
Our Price: $26.99
Retail: $39.99
You Save 33%!

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Honeywell FC100A1011 Compatible 20x20x5, 2-Pack
(FFC20205HON)

The Honeywell Compatible MERV 11 Air Filter can be used as an upgrade for Honeywell part number FC100A1011. Upgrade your Honeywell Media Filter today and get a better filter for the same price as the original manufacturer's brand!


In Stock! Ships in 1 to 2 business days.
Honeywell FC100A1011 Compatible 20x20x5, 2-Pack
Our Price: $49.90
Retail: $69.99
You Save 29%!

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Holmes HWF65 Replacement Humidifier Filter
(HWF65)

Holmes HWF65 Humidifier Filter features Microban technology and is designed for use with Humidifier Models: HM1800, HM1840, HM1845, HM1850, HM1851, HM1855, HM1865, HM1888, HM1889, HM1895, HM2059, HM2060, HM2060W, HM3000, HM3800, HM3850, and more..


In stock! Ships in 1 business day.
Holmes HWF65 Replacement Humidifier Filter
Our Price: $15.99
Retail: $20.00
You Save 20%!

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Trane 21x26x5 Perfect Fit BAYFTAH26M Filter 2-Pack
(FFC26215TRNM8)

The Trane 21x26x5 Perfect Fit BAYFTAH26M Air Filter is an economical compatible alternative for the genuine OEM 21x26x5 Trane Perfect Fit BAYFTAH26M Filter.


In Stock! Ships in 1 to 2 business days.
Trane 21x26x5 Perfect Fit BAYFTAH26M Filter 2-Pack
Our Price: $50.00
Retail: $70.00
You Save 29%!

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Aprilaire Space Gard 2200 Comp. 20x25x6 - 2-Pack
(FFC20256SG)

The Filters Fast Compatible 20x25x6 MERV 11 Air Filter can be used as an upgrade for the Aprilaire Space Gard 2200. Upgrade your Space Gard filter today to the pre-assembled, easy to install Filters Fast Space Gard Compatible 20x25x6!


In Stock! Ships in 1 to 2 business days.
Aprilaire Space Gard 2200 Comp. 20x25x6 - 2-Pack
Our Price: $53.99
Retail: $69.99
You Save 23%!

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Trion 255649-105 Air Bear HVAC Filter 16x25x5
(255649-105)

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


In stock! Ships in 1 business day.
Trion 255649-105 Air Bear HVAC Filter 16x25x5
Our Price: $24.00
Retail: $55.00
You Save 56%!

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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 ...


In stock! Ships in 1 business day.
3M Filtrete FAPF03 Replacement Air Filter Media
As Low As: $17.95
Retail: $39.99
You Save 55%!

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Holmes HWF75 Humidifier Filter - HM1700, HM1280
(HWF75)

Holmes HWF75 Humidifier Filter features Microban technology and is designed for use with Humidifier Models: HM3500, HM3600, HM3640, HM3641, HM3650, HM3655, WWH3300, and WWHM3600.


In stock! Ships in 1 business day.
Holmes HWF75 Humidifier Filter - HM1700, HM1280
Our Price: $19.99

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Filters Fast Air Filters 2" MERV 13, 6-Pack
(FFAFM13)

Upgrade your 1" filter today with a 2-inch Filters Fast MERV 13 air filter! The highest MERV Rating on the market now available in this 2" air filter by Filters Fast. Save money on your and protect your HVAC with MERV 13 furnace filters, AC filters.


In Stock! Ships in 1 to 2 business days.
Filters Fast Air Filters 2" MERV 13, 6-Pack
Our Price: $86.99
Retail: $149.99
You Save 42%!

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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.


In Stock! Ships in 9 to 10 business days.
3M Filtrete Elite Allergen Home Air Filter 2200
Our Price: $25.99
Retail: $29.99
You Save 13%!

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Filters Fast - Air Filters

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