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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


American Metal OEMRCP0205 Replacement For GE WB02X10943
(OEMRCP0205)

This Microwave Filter Replacement (OEMRCP0205) made by American Metal Filter Company is a compatible replacement microwave filter primarily for the GE WB02X10943 filter. It is a recirculating charcoal carbon microwave filter for use with non-ducted


In Stock! Ships in 3 to 4 business days.
American Metal OEMRCP0205 Replacement For GE WB02X10943
Our Price: $3.99
Retail: $4.99
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Trane 21x27x5 Perfect Fit Filter BAYFTFR21M M13 x2
(FFC21275TRNM13)

The Trane 21x27x5 Perfect Fit Filter BAYFTFR21M is an economical compatible version of the genuine Trane 21x27x5 Perfect Fit Air Filter.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Trane 21x27x5 Perfect Fit Filter BAYFTFR21M M13 x2
Our Price: $110.00
Retail: $140.00
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Trion Trim T / Trim TX Air Cleaner Prefilter
(123324-008)

The Trion Trim T / Trim TX Air Cleaner Prefilter is an aluminum prefilter for electronic air cleaners. Trion Trim T electronic air cleaners are whole house air cleaners built for air duct system. Electricity is utilized to attract and capture dust,


In Stock! Ships in 18 to 19 business days.
Trion Trim T / Trim TX Air Cleaner Prefilter
Our Price: $21.99
Retail: $29.99
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FC40R1830 18x30 Honeywell Return Grille AC Filter 5-Pack
(FC40R1830)

The Honeywell FC40R1830 18x30 Return Air Grille Filter is a high efficiency, replacement air filter for return grille applications. Honeywell replacement furnace filters capture airborne particles that circulate through the furnace filter.


Special Order. Ships in 7 days.
FC40R1830 18x30 Honeywell Return Grille AC Filter
Our Price: $212.50

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Hunter 30965 QuietFlo HEPA Purifier Filter
(30965)

The Hunter 30965 QuietFlo HEPA Purifier Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.1 microns. This is a true HEPA filter and a genuine OEM Hunter part.


Special Order. Ships in 4 days.
Hunter 30965 QuietFlo HEPA Purifier Filter
Our Price: $35.99
Retail: $52.00
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Trion Air Bear Supreme 1400 Media Air Cleaner
(455602-119C)

The Trion Air Bear Supreme 1400 Media Air Cleaner, part number 455602-119C, provides a clean and controlled indoor air environment in your home by removing dirt, dust, pollen and other microscopic particles and other microscopic particles.


Special Order. Ships in 22 days.
Trion Air Bear Supreme 1400 Media Air Cleaner
Our Price: $77.15
Retail: $120.75
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GeneralAire 100328 Ventilator Filter Replacement
(4663)

The GeneralAire filter pads are for use on your GeneralAire Venitlator. This ventilator filter media will keep your unit running at its best. The 100328 filter media is a genuine OEM part from the manufacturer. These ventilator filter pads will comp


Special Order. Ships in 7 days.
GeneralAire 100328 Ventilator Filter Replacement
Our Price: $40.99
Retail: $49.99
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Lennox X8314 MERV 16 Expandable Filter Replacement
(X8314)

The Lennox X8314 is the correct replacement for the following air cleaner: Lennox PMAC-20C Healthy Climate Air Cleaner

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Lennox X8314 MERV 16 Expandable Filter Replacement
Our Price: $110.20
Retail: $114.99
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Holmes HAPF92 Comp Carbon Odor Pre-Filter-2pk
(HAPF92)

The Holmes HAPF92CS Carbon Odor Pre-Filter 2-pack fits the Holmes Air Purifier model HAP292. It extends the life of your air purifier's HEPA filter (Holmes model HAPF38CS) by trapping over 4000 chemicals and eliminates odors.


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Holmes HAPF92 Comp Carbon Odor Pre-Filter-2pk
Our Price: $6.99
Retail: $9.99
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Honeywell 50000293-003 Post Air Filter - 10x20 2pk 2-Pack
(50000293-003)

The Honeywell 50000293-003 is a post filter that fits the following electronic air cleaner models: Honeywell F50F Honeywell F58F Honeywell F300 The Honeywell 50000293-003 Post Air Filter - 10x20 improves the performance and efficiency of the


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Honeywell 50000293-003 Post Air Filter - 10x20 2pk
Our Price: $85.98

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Honeywell FC35A1001 Replacement Air Filter 16x25x5
(FC35A1001)

The Honeywell FC35A1001 is the correct replacement filter for the following air cleaners: Honeywell 16x25 F100 Media Air Cleaners Honeywell 16x25 F200 Media Air Cleaners The Honeywell FC35A1001 Replacement Air Filter 16x25x5 is a genuine Hone


In stock! Ships in 1 business day.
Honeywell FC35A1001 Replacement Air Filter 16x25x5
As Low As: $35.00
Retail: $37.00
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Bionaire HAPF60 R Air Purifier Carbon Filter
(Bionaire HAPF60 R)

The Bionaire HAPF60 R Air Purifier Carbon Filter is a replacement air purifier filter that fits several models of Holmes air cleaners. This universal carbon pre-filter measures approximately 6.6" x 1.8" x 11.2" and helps deodorize the air through th


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Bionaire HAPF60 R Air Purifier Carbon Filter
Our Price: $10.95
Retail: $12.99
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3M OAC100RF Replacement Air Filter 6-Pack
(OAC100RF)

The 3M OAC100RF Replacement Air Filter is the replacement filter for the 3M Filtrete OAC100 Office Air Cleaner. This easy to change filter reduces airborne dust, pollen and particulates down to 0.01 microns.


Special Order. Ships in 12 days.
3M OAC100RF Replacement Air Filter 6-Pack
Our Price: $132.94
Retail: $162.00
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Filters Fast 5" Trane Compatible Air Filter 2-Pack
(FFC175275TRN OKGM)

The Filters Fast 5" Trane Compatible FFC175275TRN OKGM is a compatible replacement air filter that replaces the Trane BAYFTFR17M and Trane FLR06069 air filters, both of which can be used in several models of Trane Air Cleaners. This 5" filter boasts


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Filters Fast 5" Trane Compatible Air Filter 2-Pack
Our Price: $69.99
Retail: $104.99
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White Rodgers 16x26x5 Filter F825-0548 2-Pack
(FFC16265WRMM13)

The White Rodgers 16x26x5 Air Filter F825-0548 is a compatible economical alternative to the genuine 16x26x5 air furnace filter.


In Stock! Ships in 2 to 3 business days.
White Rodgers 16x26x5 Filter F825-0548 2-Pack
Our Price: $70.00
Retail: $90.00
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3M Filtrete Dust Reduction Filter - Filtrete 300 6-Pack
(Filtrete 300)

The Filtrete 300 Dust Reduction Filter is a replacement non-electrostatic pleated filter that attracts and captures household dust


In stock! Ships in 1 business day.
3M Filtrete Dust Reduction Filter - Filtrete 300
Our Price: $36.90

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Hoover Air Purifier HEPA & Pre-filter AH60010
(AH60010)

The Hoover AH60010 is the correct replacement for the following models of air purifiers: Hoover WH10100 Hoover WH10200 The Hoover Air Purifier HEPA & Pre-filter AH60010 contains a rinsable pre-filter and a HEPA media filter. The pre-filter of


In Stock! Ships in 7 to 8 business days.
Hoover Air Purifier HEPA & Pre-filter AH60010
Our Price: $18.70
Retail: $19.99
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Trane Perfect Fit Filter 21x27x5 BAYFTFR21M 3-Pack
(HTRN2127T1)

These three Honeywell air filters are compatible furnace filters that can be used as upgrades over the Trane Perfect Fit filter of the same size. Genuine Trane Perfect Fit filters have only a MERV 8 rating, while these compatible Honeywell furnace f

Free shipping within the continental United States!

Special Order. Ships in 11 days.
Trane Perfect Fit Filter 21x27x5 BAYFTFR21M
Our Price: $151.50

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GeneralAire F1018 MERV 11 16x25x4 Media Filter
(4571)

The General Aire F1018 MERV 11 16x25x4 Media Filter is the correct filter replacement for the General Air TERSus 1200, and removes airborne allergens and particles down to 0.3 microns to improve indoor air quality of your home dramatically.


Special Order. Ships in 6 days.
GeneralAire F1018 MERV 11 16x25x4 Media Filter
Our Price: $50.99
Retail: $59.99
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Carrier FILCCCAR0020 Air Purifier Filter 2-Pack
(FILCCCAR0020)

The Carrier FILCCCAR0020 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 fits numerous units including model numbers FIL


In Stock! Ships in 12 to 13 business days.
Carrier FILCCCAR0020 Air Purifier Filter
Our Price: $111.98

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TopTech DTT-FM-2020 20x20x4 MERV 11 Filter
(DTT-FM-2020)

The TopTech DTT-FM-2020 20x20x4 MERV 11 Filter removes many allergens, dust, pollen and other airborne pollutants.


In Stock! Ships in 3 to 4 business days.
TopTech DTT-FM-2020 20x20x4 MERV 11 Filter
Our Price: $34.25
Retail: $39.99
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FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M
(FFC24265TRNM13)

FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M
Our Price: $79.95
Retail: $140.00
You Save 43%!

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Honeywell 35200 Carbon PreFilter 2-Pack
(Honeywell 35200 1 R)

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


In stock! Ships in 1 business day.
Honeywell 35200 Carbon PreFilter 2-Pack
Our Price: $18.99
Retail: $19.99
You Save 5%!

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Crane HS-1934 Replacement Air Purifier Filter Set
(HS-1934)

The Crane HS-1934 replacement air purifier filter kit features an advanced four level filtration system which removes germs, viruses, and bacteria as well as many different airborne allergens such as dust, pollen, smoke, pet dander, mold spores.


In Stock! Ships in 5 to 6 business days.
Crane HS-1934 Replacement Air Purifier Filter Set
Our Price: $22.99
Retail: $24.99
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Trion Air Bear Supreme 20x20 Media Air Cleaner
(455602-225)

The Trion Air Bear Supreme 20x20 Media Air Cleaner, part number 455604-019, provides a clean and controlled indoor air environment in your home by removing dirt, dust, pollen and other microscopic particles such as grease and soot from your air.


In Stock! Ships in 17 to 18 business days.
Trion Air Bear Supreme 20x20 Media Air Cleaner
Our Price: $76.99
Retail: $120.74
You Save 36%!

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Filters Fast - Air Filters

" Just to express my complete satisfaction with your ordering process and, of course, great pricing. When I need a replacement of refrigerator or HVAC filters, I'll be contacting you again. " - Frank, Corona, CA
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