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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


Filtrete Micro Allergen Air Filter (Red Series)
(Micro Allergen)

The Filtrete Micro Allergen Air Filter blows away the competition when it comes to performance and filtration. The Filtrete "Red" Series AC Filter features 3M patented, electrostatically charged fibers which attract and retain microscopic particles


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Filtrete Micro Allergen Air Filter (Red Series)
Our Price: $20.99
Retail: $29.99
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FiltersFast FFFAPF02 Replacement For Filtrete FAPF02 Air Purifier
(FFFAPF02)

The FiltersFast Filtrete FFFAPF02 Compatible Air Filter is a compatible replacement 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.


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FiltersFast FFFAPF02 Replacement For Filtrete FAPF02 Air Purifier
As Low As: $14.95
Retail: $17.95
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Aprilaire 35 Replacement Water Panel
(Aprilaire 35)

Keep your cool mist humidifier operating effectively with the Aprilaire 35 replacement water panel humidifier filter pad. The water panel slides into the scale control insert and the water distribution tray where it begins to absorb water.


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Aprilaire 35 Replacement Water Panel
As Low As: $13.09
Retail: $19.99
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Filtrete Ultimate Allergen Air Filter (Deep Blue)
(Ultimate Allergen)

The Ultimate Allergen Reduction Air Filter boasts a 1900 Microparticle Performance Rating (MPR), which represents the effectiveness of a filter at capturing the smallest airborne particles measured in the industry standard test.


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Filtrete Ultimate Allergen Air Filter (Deep Blue)
Our Price: $21.99
Retail: $29.99
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Trion Air Bear Replacement Filter 20x25x5 - 3-Pack
(255649-102 3pack)

Help keep air conditioning equipment working efficiently and the air you breathe clean with the Trion 255649-102 replacement Air Bear whole-house filter.


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Trion Air Bear Replacement Filter 20x25x5 - 3-Pack
Our Price: $60.99
Retail: $75.00
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FiltersFast Brand Aprilaire SpaceGard 2400 MERV13
(FFC162766SGMM13)

The FiltersFast Brand Aprilaire SpaceGard 2400 MERV 13 2-Pack Air Filter is a compatible filter replacement for the Aprilaire SpaceGard 2400 Air Cleaner System.


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FiltersFast Brand Aprilaire SpaceGard 2400 MERV13
Our Price: $70.90
Retail: $99.99
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FiltersFast Brand Honeywell FC100A1037 20x25x5, 2-pack
(FFC20255HON)

The FiltersFast Brand Honeywell FC100A1037 20x25x5 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


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FiltersFast Brand Honeywell FC100A1037 20x25x5, 2-pack
Our Price: $50.90
Retail: $75.00
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FiltersFast Brand Trion 16x25x5 Air Bear Filters MERV8 - 2-Pack
(FFC16255TABM8)

The FiltersFast Brand Trion 16x25x5 Air Bear Filters Merv8 Furnace Filter is an economical alternative to the OEM Trion 16x25x5 Air Bear Media AC Filter 255649-105.


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FiltersFast Brand Trion 16x25x5 Air Bear Filters MERV8 - 2-Pack
Our Price: $33.95
Retail: $40.00
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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: $33.99
Retail: $34.99
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3M Filtrete Ultra Allergen Air Filters 6-Pack
(Purple 6-PACK)

The 3M Filtrete Ultra Allergen Air Filter is the #1 Performance Filter on the market -- outperforming all other 1" AC Filters available! Not only will the Ultra Allergen use electrostatically charged fibers to attract & retain micro-particles it

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3M Filtrete Ultra Allergen Air Filters 6-Pack
Our Price: $120.99
Retail: $149.99
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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.


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Trion 255649-105 Air Bear HVAC Filter 16x25x5
Our Price: $28.95
Retail: $55.00
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FiltersFast Brand Trane 17.5x27x5 BAYFTFR17M 2-Pack
(FFC175275TRNM8)

The FiltersFast Brand Trane 17.5x27x5 BAYFTFR17M 2-Pack Filter is a compatible version of the genuine OEM Trane Perfect-Fit BAYFTFR17M.


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FiltersFast Brand Trane 17.5x27x5 BAYFTFR17M 2-Pack
Our Price: $49.99
Retail: $70.00
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FiltersFast FC100A1029, FILCCCAR0016 16x25x5, 2-Pack
(FFC16255HON)

The FiltersFast, 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!


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FiltersFast FC100A1029, FILCCCAR0016 16x25x5, 2-Pack
Our Price: $53.95
Retail: $70.00
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FiltersFast Brand Trane 21x26x5 Perfect Fit BAYFTAH26M
(FFC26215TRNM8)

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


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FiltersFast Brand Trane 21x26x5 Perfect Fit BAYFTAH26M
Our Price: $51.00
Retail: $70.00
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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: $26.95
Retail: $34.60
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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: $36.00
Retail: $37.00
You Save 3%!

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Filtrete Micro Allergen Home Air Filter 6-Pack Red
(Red 6-Pack)

The Filtrete Micro Allergen Air Filter blows away the competition when it comes to performance and filtration. The Filtrete "Red" Series Filter features 3M patented, electrostatically charged fibers which attract and retain microscopic particles & .

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In stock! Ships in 1 business day.
Filtrete Micro Allergen Home Air Filter 6-Pack Red
Our Price: $115.99
Retail: $159.99
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FiltersFast Replacement for Electrolux 242047801
(242047801)

The FiltersFast FFRAF-001 is the correct compatible replacement for the Electrolux 242047801.

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FiltersFast Replacement for Electrolux 242047801
As Low As: $8.99
Retail: $12.95
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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: $90.99
Retail: $99.99
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FiltersFast Brand Honeywell FC100A1011 20x20x5, 2-Pack
(FFC20205HON)

The FiltersFast Brand 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!


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FiltersFast Brand Honeywell FC100A1011 20x20x5, 2-Pack
Our Price: $50.90
Retail: $69.99
You Save 27%!

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Lennox X6673 MERV 11 Filter Replacement-20x25x5
(X6673)

This Lennox X6673 MERV 11 Furnace Filter Replacement is an efficient alternative to one-inch filters. This Lennox Air Filter Media is a suitable replacement for Air Cleaners that accept a 20X25X5 filter media.


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Lennox X6673 MERV 11 Filter Replacement-20x25x5
Our Price: $35.95
Retail: $75.65
You Save 52%!

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

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

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FiltersFast Air Filters 2" MERV 13, 6-Pack
Our Price: $90.99
Retail: $149.99
You Save 39%!

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Honeywell PopUp Collapsable Air Filter - MERV 11
(Honeywell PopUp)

The Honeywell PopUp replacement air filter media is available in several sizes and features a MERV 11 rating. Installers and homeowners can save space and money. Filter is compatible with Aprilaire cabinets.


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Honeywell PopUp Collapsable Air Filter - MERV 11
Our Price: $37.00
Retail: $39.95
You Save 7%!

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FiltersFast Brand 3M Filtrete FAPF03 Air Filter
(FFFAPF03)

The FiltersFast Filtrete FAPF03 Compatible Air Filter is a compatible filter to 3M Filtrete FAPF03 Air Filter, and as such is a replacement filter for Filtrete's Ultra Clean Air Purifier model FAP03-RS.


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FiltersFast Brand 3M Filtrete FAPF03 Air Filter
As Low As: $16.99
Retail: $39.99
You Save 58%!

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FiltersFast A10PR Replacement For Aprilaire 550 Panel #10
(A10PR)

The FiltersFast Brand Aprilaire 550 Humidifier Panel #10 fits Aprilaire, Chippewa, Hamilton, Honeywell, Lasko, Carrier, Bryant, Totaline and Lennox Humidifier systems.


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FiltersFast A10PR Replacement For Aprilaire 550 Panel #10
As Low As: $6.99
Retail: $19.99
You Save 65%!

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Filters Fast - Air Filters

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