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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 FFC162766SGM8 Replacement for Aprilaire SpaceGard 2400 MERV8 - 2-Pack
(FFC162766SGM8)

The FiltersFast Brand Aprilaire SpaceGard 2400 MERV8 2-Pack Air Filter is an economical compatible alternative for the Aprilaire SpaceGard 2400 Air Cleaner Systems requiring a 16x27x6 media filter.


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FiltersFast FFC162766SGM8 Replacement for Aprilaire SpaceGard 2400 MERV8 - 2-Pack
Our Price: $43.99
Retail: $51.99
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Lennox X8789 PureAir PCO16-28 MERV 16 Filter Genuine Lennox Part
(X8789)

The Lennox X8789 MERV 16 Filter Media Replacement is the correct replacement for any HVAC system that requires a 16" x 26" x 5" filter. This Lennox Healthy Climate filter has an efficiency rating of MERV 16, the highest efficiency rating. The Len

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Lennox X8789 PureAir PCO16-28 MERV 16 Filter Genuine Lennox Part
Our Price: $109.95
Retail: $226.99
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Trane Perfect Fit BAYFTFR17P4 FLR05049 Filter-17.5x27x1
(BAYFTFR17P4A)

The Trane Perfect Fit BAYFTFR17P4 FLR05049 Filter - 17.5x27x1 fits several air cleaner models manufactured by Trane. This Trane Perfect Fit filter is 1 inch and pleated for maximum purification of your air.


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Trane Perfect Fit BAYFTFR17P4 FLR05049 Filter-17.5x27x1
As Low As: $17.95
Retail: $24.99
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Lennox X0445 MERV 10 PMAC-20C Pleated Furnace Filter Media
(X0445)

This Lennox X0445 MERV 10 PMAC-20C Pleated Furnace Filter Media is a part of the Lennox “Healthy Climate” line of indoor air quality products. This Lennox Healthy Climate Filter is an expandable media air filter.


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Lennox X0445 MERV 10 PMAC-20C Pleated Furnace Filter Media
Our Price: $32.95
Retail: $38.99
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TopTech TT-FM-2020 TechPure 20x20x4 MERV 11 Filter
(TT-FM-2020)

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


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TopTech TT-FM-2020 TechPure 20x20x4 MERV 11 Filter
Our Price: $32.95
Retail: $39.99
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Honeywell HRF-AP1 Replacement For Honeywell 38002
(38002)

The Honeywell Universal Replacement Pre-Filter 38002 can be used in place of pre-filters 32002, 33002, 34002, and 35002. This pre-filter fits all Round Honeywell HEPA Air Cleaner Models. Genuine Honeywell part.


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Honeywell HRF-AP1 Replacement For Honeywell 38002
Our Price: $14.95
Retail: $17.99
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BestAir R14ALLM Universal Cut to Fit Carbon Pre Filter-2-Pack
(R14ALLM)

The Universal Cut to Fit Carbon Pre Filter-2 Pack is a replacement pack of two carbon pre-filters that fit a variety of air purifiers and air cleaners, including models from Bionaire, DeLonghi, Duracraft, Holmes, Honeywell Enviracare, Hunter QuietFl


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BestAir R14ALLM Universal Cut to Fit Carbon Pre Filter-2-Pack
Our Price: $17.99
Retail: $21.99
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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: $16.99
Retail: $23.99
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FiltersFast Trane BAYFTFR17M2 Air Filter 17.5x27x5
(BAYFTFR17M2)

The FiltersFast Trane BAYFTFR17M2 has nominal dimensions of 17 1/2 inches x 27 inches x 5 inches.


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FiltersFast Trane BAYFTFR17M2 Air Filter 17.5x27x5
Our Price: $46.99
Retail: $55.99
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Air Care 1051 Tabletop Air Purifier Filter
(1051SS)

The Essick Air 1051 is a two stage air cleaner filter for your Bemis air purifier. These air purifiers remove 97% of dust, allergens and bacteria from your homes air. The tabletop air cleaner filter will keep your air purifier working at its best by


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Air Care 1051 Tabletop Air Purifier Filter
As Low As: $14.99
Retail: $23.99
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FiltersFast FFC16253TABM8 Trion MERV 8 16x25x3 Filter 3-Pack
(FFC16253TABM8)

The FiltersFast FFC16253TABM8 Trion MERV 8 16x25x3 Filter compatible MERV 8 filter replacement. This Air Bear Cub Filter is also known as part number FFC16253TABM8.


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FiltersFast FFC16253TABM8 Trion MERV 8 16x25x3 Filter 3-Pack
Our Price: $49.99
Retail: $59.99
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3M Filtrete 600 MPR Pollen Air Filter (Green)
(Dust and Pollen)

The Filtrete Dust & Pollen Furnace Filter is the right choice if you're looking for an economical upgrade from cheap 1 month furnace filters. The Filtrete "Green Filter" features electrostatically charged fibers and is ideal for high-velocity..


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3M Filtrete 600 MPR Pollen Air Filter (Green)
Our Price: $11.99
Retail: $14.99
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FiltersFast FFC21275TRNM11 Replacement for Trane Perfect Fit BAYFTFR21M 21x27x5 (2 Pack)
(FF-BAYFTFR21M)

These MERV 11 FiltersFast Brand compatible Furnace Filters are replacement filters for Trane Perfect Fit Air Filters. These FiltersFast Air Filters replace Trane part number BAYFTFR21M or FLR06070 , which is used in several Trane Air Cleaner models

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FiltersFast FFC21275TRNM11 Replacement for Trane Perfect Fit BAYFTFR21M 21x27x5 (2 Pack)
Our Price: $90.95
Retail: $109.99
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Trion Air Bear 259112-103 Supreme Filter 20x20x5 MERV11 4-PacK
(259112-103 4pack)

The 259112-103 is the correct filter replacement for the following Trion Air Bear and Air Bear Supreme air cleaning systems.

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Trion Air Bear 259112-103 Supreme Filter 20x20x5 MERV11 4-PacK
Our Price: $111.99
Retail: $189.99
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FiltersFast FF 30915 Replacement for Hunter 30915
(30915)

The Hunter 30915 HEPAtech Purifier Filter is an electrostatically-charged filter that captures 99.97% of particles as small as 0.3 microns.


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FiltersFast FF 30915 Replacement for Hunter 30915
Our Price: $12.99
Retail: $16.99
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Honeywell FC40R1078 24x24 Return Air Grille Filter
(FC40R1078)

The Honeywell FC40R1078 Return Air Grille Filter is a high efficiency, replacement air filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 24x24x4.


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Honeywell FC40R1078 24x24 Return Air Grille Filter
Our Price: $35.99
Retail: $49.99
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Lennox X8310 MERV 11 Expandable Filter Replacement
(X8310)

The Lennox x8310 expandable MERV 11 filter is for use in your homes filter system. Also known as the healthy climate furnace filter, the X8310 measures 20x25x5 inches. This furnace filter media will protect your home from particles such as du


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Lennox X8310 MERV 11 Expandable Filter Replacement
Our Price: $33.95
Retail: $39.99
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Honeywell HFC40R1011 Return Grille Filter 20"x25"
(HFC40R1011)

The Honeywell HFC40R1011 20"x25" Return Air Grille Filter is a high efficiency replacement air filter for return grille air filtration applications. Honeywell replacement filters efficiently capture harmful airborne particles such as dust, pet dande


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Honeywell HFC40R1011 Return Grille Filter 20"x25"
Our Price: $35.99
Retail: $49.99
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Lennox X8309 MERV 10 Expandable Filter Replacement
(X8309)

The Lennox X8309 MERV 10 Expandable Filter Replacement is a replacement expandable filter for the Lennox 16x25x5 model air cleaner. This pleated air filter measures approximately 16x25x5 and boasts a MERV 10 rating.


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Lennox X8309 MERV 10 Expandable Filter Replacement
Our Price: $33.95
Retail: $39.99
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FiltersFast FFC16255HONM13 Replacement for Honeywell FC100A1029 - 16x25x5, MERV13
(FFC16255HONM13)

The FiltersFast MERV13 Replaces Honeywell 16x25x5 FC100A1029 is the compatible version of the genuine Honeywell FC100A Series Residential Air Cleaner Filter.


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FiltersFast FFC16255HONM13 Replacement for Honeywell FC100A1029 - 16x25x5, MERV13
Our Price: $75.99
Retail: $89.99
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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: $13.49
Retail: $19.99
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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
Our Price: $12.99
Retail: $15.99
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Lennox X0587 MERV 11 Pleated Media Filter
(X0587)

This Lennox X0587 MERV 10 Pleated Media Filter is a MERV 10 replacement furnace filter. This pleated furnace filter offers quality filtration of impurities and pollutants in the air.


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Lennox X0587 MERV 11 Pleated Media Filter
As Low As: $36.45
Retail: $50.99
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IcePure ICP-AF003 Replacement For Electrolux EAF1CB
(ICP-AF003)

The IcePure ICP-AF003 is the compatible replacement for the Electrolux EAF1CB refrigerator air filter.


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IcePure ICP-AF003 Replacement For Electrolux EAF1CB
Our Price: $6.99
Retail: $9.99
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FiltersFast FFC20205TABM13 Replacement for Trion 20x20x5 Air Bear Filter - MERV 13 2-Pack
(FFC20205TABM13)

The Trion 20x20x5 Air Bear Furnace Filter is the compatible version of the genuine Trion Air Bear Media Filter 20x20x5, 255649-103.


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FiltersFast FFC20205TABM13 Replacement for Trion 20x20x5 Air Bear Filter - MERV 13
Our Price: $65.90

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Filters Fast - Air Filters

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