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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:


FiltersFast FFC20255HON Replacement for 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 FFC20255HON Replacement for Honeywell FC100A1037 20x25x5, 2-pack
Our Price: $55.95
Retail: $74.99
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FiltersFast A10PR R Replacement for Aprilaire 10
(A10PR)

The FiltersFast A10PR R is a compatible replacement for Aprilaire Humidifier Models 110, 220, 500, 550, 558.


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FiltersFast A10PR R Replacement for Aprilaire 10
As Low As: $8.95
Retail: $19.99
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3M Filtrete 1900 MPR Premium Allergen, Bacteria, & Virus Air Filter (Blue) 6-Pack
(Ultimate Allergen 6pack)

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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3M Filtrete 1900 MPR Premium Allergen, Bacteria, & Virus Air Filter (Blue) 6-Pack
Our Price: $144.99
Retail: $164.99
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3M Filtrete 1500 MPR Allergen, Bacteria & Virus Air Filter (Purple)
(Ultra Allergen)

The Filtrete Ultra Allergen Air Filter boasts a Filtrete 1500 MPR rating and is one of the best-performing furnace filters on the market. Not only will the Ultra Allergen Filter use its electrostatically charged fibers to attract and


Out of stock
3M Filtrete 1500 MPR Allergen, Bacteria & Virus Air Filter (Purple)
Our Price: $29.99
Retail: $39.99
You Save 25%!

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GeneralAire 1099-20 Evaporator Filter Pad - 7047
(7047)

The GeneralAire 1099-20 Evaporator Filter Pad is a replacement filter for the GeneralAire Legacy Model Humidifiers 1099, 1099L, 1099LH, and 1099R. This evaporator pad measures 14 1/4" wide and 12" in height, and collects mineral deposits from the wa


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GeneralAire 1099-20 Evaporator Filter Pad - 7047
As Low As: $17.95
Retail: $25.99
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FiltersFast FFC175275TRNM8 Replacement for 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 FFC175275TRNM8 Replacement for Trane 17.5x27x5 BAYFTFR17M 2-Pack
Our Price: $49.95
Retail: $69.99
You Save 29%!

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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
As Low As: $85.95
Retail: $99.99
You Save 14%!

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3M Filtrete 2200 MPR Premium Allergen & Home Pollutants Air Filter (Deep Blue)
(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 2200 MPR Premium Allergen & Home Pollutants Air Filter (Deep Blue)
Our Price: $30.99
Retail: $35.99
You Save 14%!

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Carrier GAPCCCAR2420 Air Purifier Filter
(GAPCCCAR2420)

The Carrier GAPCCCAR2420 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

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Carrier GAPCCCAR2420 Air Purifier Filter
As Low As: $84.95
Retail: $119.99
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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: $29.95
Retail: $54.99
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FiltersFast FFC16255HON Replacement for 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 FFC16255HON Replacement for FC100A1029, FILCCCAR0016 16x25x5, 2-Pack
Our Price: $49.95
Retail: $69.99
You Save 29%!

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FiltersFast FFFAPF03 Replacement for 3M Filtrete FAPF03
(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 FFFAPF03 Replacement for 3M Filtrete FAPF03
As Low As: $19.95
Retail: $39.99
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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: $34.95
Retail: $49.99
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FiltersFast CBW9 Replacement For Bionaire 900 2-Pack
(CBW9)

The 900 Humidifier Filters Two-Pack, is a humidifier wick filter that works in your Bionaire Humidifier. The humidifier filter wick works with your Bionaire humidifier to produce the best humidified air quality for your home. These Bionaire


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FiltersFast CBW9 Replacement For Bionaire 900 2-Pack
As Low As: $13.99
Retail: $16.99
You Save 18%!

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Carrier GAPCCCAR1620 Infinity Merv 15 Air Purifier Filter
(GAPCCCAR1620)

The Carrier GAPCCCAR1620 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, and Totaline.

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Carrier GAPCCCAR1620 Infinity Merv 15 Air Purifier Filter
As Low As: $81.95
Retail: $101.99
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FiltersFast FFC26215TRNM8 Replacement for Trane 21x26x5 Perfect Fit BAYFTAH26M 2-Pack
(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 FFC26215TRNM8 Replacement for Trane 21x26x5 Perfect Fit BAYFTAH26M 2-Pack
Our Price: $49.95
Retail: $69.99
You Save 29%!

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Lennox X6672 HCF16-16 Healthy Climate 16x25x5 MERV16 Filter
(X6672)

The Lennox X6672 HCF16-16 Healthy Climate 16x25x5 MERV 16 Filter Replacement is a replacement air filter for the Lennox HCC16028 Healthy Climate True Fit Cabinet. This furnace filter measures approximately 16x25x5 and features a MERV 16 rating for


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Lennox X6672 HCF16-16 Healthy Climate 16x25x5 MERV16 Filter
Our Price: $89.95
Retail: $149.99
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FiltersFast FFC20255TABM13 Replacement for Trion Air Bear Filter - 20x25x5, 2-Pack
(FFC20255TABM13)

The FiltersFast Brand Trion Air Bear Filter 20x25x5 MERV13 2-Pack is a compatible version of the genuine Trion Air Bear Media AC Filter 20x25x5, 255649-102.


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FiltersFast FFC20255TABM13 Replacement for Trion Air Bear Filter - 20x25x5, 2-Pack
Our Price: $59.95
Retail: $79.99
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FiltersFast FFC16255HONM8 Replacement for Honeywell FC100A1029 - 16x25x5, 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 FFC16255HONM8 Replacement for Honeywell FC100A1029 - 16x25x5, 2-Pack
Our Price: $39.95
Retail: $59.99
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Lennox X6670 MERV 11 Pleated Filter Media-16x25x5
(X6670)

This Lennox X6670 Fir Filter Media is able to capture particles as small as 0.3 microns. This Lennox Pleated Filter Media offers greater dust-holding ability.


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Lennox X6670 MERV 11 Pleated Filter Media-16x25x5
As Low As: $37.95
Retail: $59.99
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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
As Low As: $46.95
Retail: $59.99
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FiltersFast FFC20205HON Replacement for 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 FFC20205HON Replacement for Honeywell FC100A1011 20x20x5, 2-Pack
Our Price: $49.95
Retail: $69.99
You Save 29%!

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3M Filtrete 1000 MPR Allergen Defense Air Filter (Red) 6-Pack
(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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3M Filtrete 1000 MPR Allergen Defense Air Filter (Red) 6-Pack
Our Price: $128.99
Retail: $159.99
You Save 19%!

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FiltersFast FFC20256SGM8 Replacement for Aprilaire SpaceGard 2200 MERV8 2-Pack
(FFC20256SGM8)

The FiltersFast Brand Aprilaire SpaceGard 2200 MERV8 2-Pack is an economical alternative for the OEM Aprilaire 201, 2200 and 2250 Air Filter Media Replacement.


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FiltersFast FFC20256SGM8 Replacement for Aprilaire SpaceGard 2200 MERV8 2-Pack
Our Price: $49.95
Retail: $67.99
You Save 27%!

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Honeywell FC40R1003 Return Grille Filter
(FC40R1003)

The Honeywell FC40R1003 a high-efficiency, replacement filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 20x20x4. Genuine Honeywell Part.


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Honeywell FC40R1003 Return Grille Filter
As Low As: $43.95
Retail: $59.99
You Save 27%!

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