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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:


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
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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 Y6605 16x26x5 MERV 16 PureAir 100908-11 for PCO3-16-16
(Y6605)

The Lennox Y6605 16x26x5 MERV 16 PureAir 100908-11 Replacement Filter for PCO3-16-16.

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Lennox Y6605 16x26x5 MERV 16 PureAir 100908-11 for PCO3-16-16
Our Price: $105.95
Retail: $119.99
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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
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Honeywell HC-888 Replacement Humidifier Filter
(HC-888)

The Honeywell HC-888 Humidifier Filter Replacement is a genuine Honeywell filter. This HC888 humidifier filter reduces waterborne contaminants and minerals in your water.


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Honeywell HC-888 Replacement Humidifier Filter
As Low As: $15.99
Retail: $19.99
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FiltersFast FFC20256SG Replacement For Aprilaire Space Gard 2200 20x25x6 - 2-Pack
(FFC20256SG)

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


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FiltersFast FFC20256SG Replacement For Aprilaire Space Gard 2200 20x25x6 - 2-Pack
Our Price: $59.95
Retail: $71.99
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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
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Carrier EXPXXFIL0016 EZ-FLEX Air Purifier Filter
(EXPXXFIL0016)

The Carrier EXPXXFIL0016 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 EXPXXFIL0016 EZ-FLEX Air Purifier Filter
Our Price: $49.95
Retail: $69.99
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FiltersFast D88 Replacement For Honeywell HC-888 Humidifier Filter
(D88)

The FiltersFast D88 replacement for the Honeywell HC-888 helps your humidifier run at peak performance by removing the hard water contaminants from your humidifier and preventing them from being released into your air.


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FiltersFast D88 Replacement For Honeywell HC-888 Humidifier Filter
Our Price: $9.99
Retail: $10.99
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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
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Trion Air Bear 259112-105 Cub Filter 16x25x5 MERV 11 - 3-Pack
(259112-105 3-pack)

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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Trion Air Bear 259112-105 Cub Filter 16x25x5 MERV 11 - 3-Pack
Our Price: $79.95
Retail: $89.99
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FiltersFast H64-C Replacement for Holmes HWF64 Humidifier Filter
(HWF64)

The FiltersFast H64-C is a compatible of the Holmes HWF-64 Humidifier Wick Filter Replacement for humidifiers.


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FiltersFast H64-C Replacement for Holmes HWF64 Humidifier Filter
Our Price: $12.95
Retail: $14.99
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FiltersFast FFC20256SGM13 Replacement for Aprilaire SpaceGard 2200 2250 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 FFC20256SGM13 Replacement for Aprilaire SpaceGard 2200 2250 Air Filter - MERV 13
As Low As: $74.95
Retail: $97.99
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GeneralAire 6FM1625 MERV 11 Replacement for GeneralAire 5FM1625
(4511)

The GeneralAire 6FM1625 MERV 11 Filter Media Cartridge measures 16x25x5 and fits the GeneralAire MAC14000, GeneralAire MAC1400M, and Trion AirBear Supreme 1400 models of air cleaners.


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GeneralAire 6FM1625 MERV 11 Replacement for GeneralAire 5FM1625
As Low As: $28.95
Retail: $39.99
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Honeywell Enviracaire HC26A 1008 Humidifier Pad
(HC26A 1008)

The Honeywell Enviracaire Elite HC26A 1008 Humidifier Pad replaces the humidifier pad in the Honeywell HE260A,B Bypass Flow-Through Humidifier, HE360A1019, HE360B1009 Powered Flow-Through Humidifier or Aprilaire 560 and 760 humidifiers.


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Honeywell Enviracaire HC26A 1008 Humidifier Pad
As Low As: $13.95
Retail: $24.99
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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: $24.95
Retail: $39.99
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Lennox X0585 MERV 11 Pleated Media Filter - HCC14 Genuine Part
(X0585)

This Lennox Lennox X0585 MERV 11 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 - HCC14 Genuine Part
As Low As: $40.95
Retail: $49.99
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BestAir A35PR Replacement for Trane BAYPAD02A1310A
(T BAYPAD02A1310A 1R)

The BestAir A35PR is the correct replacement metal humidifier pad for the Trane BAYPAD02A1310A, and has approximate dimensions of 10"x13-1/4"x1-1/2".


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BestAir A35PR Replacement for Trane BAYPAD02A1310A
As Low As: $9.95
Retail: $14.99
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FiltersFast FFC162766SG Replacement for Aprilaire SpaceGard 2400 16x27x6 2-Pack
(FFC162766SG)

The FiltersFast Compatible 16x27x6 MERV 11 Air Filter can be used as an upgrade for the Aprilaire Space Gard 2400. Upgrade your Space Gard AC filter today to the pre-assembled, easy to install FiltersFast Space Gard Compatible 16x27x6!


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FiltersFast FFC162766SG Replacement for Aprilaire SpaceGard 2400 16x27x6 2-Pack
Our Price: $64.95
Retail: $99.99
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FiltersFast A10PR R Replacement For Aprilaire 110, 220, 500, 550, 558
(A10PR R)

The FiltersFast A10PR R is the correct replacement filter for Aprilaire Humidifier Models 110, 220, 500, 550, 558.


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FiltersFast A10PR R Replacement For Aprilaire 110, 220, 500, 550, 558
As Low As: $8.95
Retail: $19.99
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Lennox X6667 MERV 10 Air Filter Media Replacement
(X6667)

The Lennox X6667 MERV 10 Air Filter Media Replacement is a replacement air filter for Lennox Healthy Climate PureAir PCO-20C air cleaners. This box media utilizes a MERV 10 pleated filter that captures particles as small as 0.3 microns in size.


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Lennox X6667 MERV 10 Air Filter Media Replacement
Our Price: $49.95
Retail: $59.99
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Lennox X6675 MERV 16 Furnace Filter Replacement for HCC20-28
(X6675)

The Lennox X6675 is a MERV 16 filter for your home. This air filter media is also known as a healthy climate air filter and is designed to fit the Lennox HCC20-28 air cleaner model.

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Lennox X6675 MERV 16 Furnace Filter Replacement for HCC20-28
Our Price: $129.95
Retail: $149.99
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Trane Perfect Fit BAYFTAH23M2 21"x23.5"x5"
(BAYFTAH23M2)

The Trane Perfect Fit BAYFTAH23M2 23.5x21x5 Air Filter is a replacement air filter for the Trane model BAYFRAME215A and TFM215A0AH1 air cleaners. The Trane Perfect Fit filter measures approximately 23.5" x 21" x 5" and features a MERV 8 rating.


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Trane Perfect Fit BAYFTAH23M2  21"x23.5"x5"
As Low As: $46.95
Retail: $69.99
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BestAir A35PR Replacement for Carrier P1103545
(Carrier P1103545 1R)

The BestAir A35PR evaporator pad has a honeycomb-shaped filtration media that is designed to trap mineral pollutants and contaminants found in your water.


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BestAir A35PR Replacement for Carrier P1103545
As Low As: $9.95
Retail: $14.99
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FiltersFast DU3-C Replacement for Honeywell HAC-801 - 3-Pack
(DU3-C)

The FiltersFast DU3-C Replacement for Honeywell HAC-801 Filter for cool moisture humidifiers removes minerals and pollutants from water.


This item has been discontinued. Please review the product description for more information.
FiltersFast DU3-C Replacement for Honeywell HAC-801 - 3-Pack
Our Price: $14.95
Retail: $19.99
You Save 25%!

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Filters Fast - Air Filters

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