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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 full product list:


Bionaire 611D Replacement For Bionaire 611DCS Compatible Dual Air Filter
(611DCS)

The Bionaire 611DCS dual air filter cartridge is for use with your Bionaire model air purifier. This dual air purifier filter inclueds both a main and carbon filter for better air filtration. The carbon and air filter work together to remove harmful


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Bionaire 611D Replacement For Bionaire 611DCS Compatible Dual Air Filter
Our Price: $11.99
Retail: $14.99
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IcePure Replacement for GE Cafe Series Odor Filter
(AF005)

The IcePure AF005 Replacement for the GE Cafe Series Odor Filter uses a powerful charcoal filter to help reduce odor inside your refrigerator.

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IcePure Replacement for GE Cafe Series Odor Filter
Our Price: $17.75
Retail: $23.35
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Aprilaire 4897 Conversion Frame for Model 5000
(4897)

The Aprilaire 4897 Conversion Frame upgrades your Honeywell, Trion, Carrier, General, or Lennox brand media style air cleaner filters to use Aprilaire replacements.


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Aprilaire 4897 Conversion Frame for Model 5000
Our Price: $7.95
Retail: $19.99
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Trion Air Bear Right Angle Air Cleaner Merv 11
(447380-510)

The 447380-510 is the correct air cleaner that uses: 5" thick electrostatically charged pleated filter media.

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In Stock! Ships in 13 to 14 business days.
Trion Air Bear Right Angle Air Cleaner Merv 11
Our Price: $131.99
Retail: $149.99
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Lennox 72H02 Whole House System Air Filter
(72H02)

The Lennox 72H02 Whole House System Air Filter is a replacement air filter for several Lennox model electronic whole house air purifiers. This pre-filter measures approximately 20x13x3/8 and directly replaces part number 72H0201.


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Lennox 72H02 Whole House System Air Filter
Our Price: $17.99
Retail: $20.99
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FiltersFast Replacement For Trane BAYFTFR14M2 14.5x27x5 Air Filter 2-Pack
(FFC145275TRNM8)

The Trane BAYFTFR14M2 Air Filter is a replacement furnace air filter that fits the TFM145BOFRO Perfect Fit High Efficiency Air Cleaner. This Trane filter is MERV 8 rated to reduce airborne particulates and improve indoor air quality.


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FiltersFast Replacement For Trane BAYFTFR14M2 14.5x27x5 Air Filter
Our Price: $56.99

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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

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Lennox X8314 MERV 16 Expandable Filter Replacement
Our Price: $79.99
Retail: $114.99
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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: $87.98

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Honeywell 209989 Air Cleaner Pre-Filter - 16x20 2-Pack
(209989)

The Honeywell 209989 Air Cleaner Pre-Filter - 16x20 includes two 16" x 10" pre-filters for Honeywell 16" x 20" air cleaner models. This Honeywell pre-filter trap larger particulates in your air to extend the life of your air filter. This air cleaner


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Honeywell 209989 Air Cleaner Pre-Filter - 16x20
Our Price: $65.20

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FiltersFast Brand F825-0549 White Rodgers 20x26x5 2Pack
(FFC20265WR)

The FiltersFast Compatible 20x26x5 MERV 11 Air Filter can be used as an upgrade for White Rodgers part number F825-0549. Upgrade your White Rodgers Media Filter today and get a better filter for the same price as the original manufacturer's brand!


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FiltersFast Brand F825-0549 White Rodgers 20x26x5 2Pack
Our Price: $73.99
Retail: $79.99
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FiltersFast Replacement For Trane 14.5x27x5 2-pack
(FFC145275TRN)

The Trane BAYFTFR14M2 Air Filter is a replacement furnace air filter that fits the TFM145BOFRO Perfect Fit High Efficiency Air Cleaner. This Trane filter is MERV 11 rated to reduce airborne particulates and improve indoor air quality.


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FiltersFast Replacement For Trane 14.5x27x5 2-pack
Our Price: $55.99
Retail: $59.99
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FiltersFast ROHAPF220CSM Replacement for Holmes HAPF220
(ROHAPF220CSM)

The Holmes HAPF220 Purifier Carbon PreFilter-2 Pack fits the following models of Holmes air purifiers: HAP222 HAP223 HAP2234 HAP412 HAP412G HAP422B HAP422G This air purifier pre filter reduces odors such as pet odors, musty odors, cookin


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FiltersFast ROHAPF220CSM Replacement for Holmes HAPF220
Our Price: $6.49
Retail: $7.49
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FiltersFast 5" Trane BAYFTAH21M Compatible 2-Pack
(FFC215215TRN OKGM)

The FiltersFast 5" Trane PF BAYFTAH21M Compatible FFC215215TRN OKGM fits the following: Any air cleaner that requires a 21" x 21.5" x 5" filter This FiltersFast air filter also replaces the Trane Perfect Fit BAYFTAH21M filter. This air filte


Discontinued Product Read Description.
FiltersFast 5" Trane BAYFTAH21M Compatible 2-Pack
Our Price: $50.90
Retail: $99.99
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Lennox 92X09 HEPA 40/60 Charcoal Carbon Filter
(92X09)

This Lennox Healthy Climate Filter offers efficient air-filtration performance. This Lennox HEPA 60 carbon filter should be replaced every 2-5 years.


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Lennox 92X09 HEPA 40/60 Charcoal Carbon Filter
Our Price: $45.95
Retail: $48.25
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Honeywell 32000146-001 Humidifier Pad for HE120
(32000146-001)

The Honeywell 32000146-001 is the Replacement Humidifier Pad for HE120. Comes complete with clips. Also known as 32000146-001/U. Geniune Honeywell Replacement Part.


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Honeywell 32000146-001 Humidifier Pad for HE120
Our Price: $21.99
Retail: $29.00
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3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1
(Filtrete-Odor-14301)

The 3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1 features activated carbon technology along with electrostatically charged fibers to provide high performance air filtration in your home. This Filtrete air filter can remove common odors such as


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3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1
Our Price: $21.61
Retail: $29.99
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Lennox X4137 HEPA 20 Carbon PreFilter Replacement
(X4137)

The Lennox X4137 HEPA 20 Carbon PreFilter Replacement is a replacement carbon pre-filter for the Lennox Healthy Climate HEPA 20 Filtration System. This carbon pre-filter is the first stage of the HEPA 20 filtration process.


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Lennox X4137 HEPA 20 Carbon PreFilter Replacement
Our Price: $38.67
Retail: $46.95
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FiltersFast Brand Trane 21x23x5 Perfect Fit BAYFTAH23M
(FFC21235TRNM13)

The FiltersFast Brand Trane 21x23x5 Perfect Fit BAYFTAH23M is a compatible version of the genuine Trane Perfect fit 21x23x5 Air Filter.

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FiltersFast Brand Trane 21x23x5 Perfect Fit BAYFTAH23M
Our Price: $90.95
Retail: $140.00
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FiltersFast A10PR R Replacement for Totaline P110-0007
(Totaline P110-0007 R)

The FiltersFast A10PR R is the correct replacement for the Totaline P110-0007 and for the following humidifier models:


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FiltersFast A10PR R Replacement for Totaline P110-0007
As Low As: $6.99
Retail: $10.99
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Carrier FILCCCAR0016 Air Purifier Filter
(FILCCCAR0016)

The Carrier FILCCCAR0016 Air Purifier Filter is a genuine OEM factory replacement air filter for Bryant, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air purifiers. It fits numerous units including model numbers FILBBCAR0016


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Carrier FILCCCAR0016 Air Purifier Filter
Our Price: $31.99
Retail: $39.99
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FiltersFast RHF0525 Aluminum Range Hood Filter
(FFMH-006)

The FiltersFast FFMH-006 Oven Hood Range Filter is the compatible replacement filter for the American Metal Filter RHF0525 and Whirlpool 6802A.


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FiltersFast RHF0525 Aluminum Range Hood Filter
As Low As: $7.95
Retail: $14.99
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Lennox Y6616 PCO3-14-16 PureAir Maintenance Kit
(DLXY6616)

The Lennox Y6616 PCO3-14-16 Air Filter Maintenance Kit includes the following:



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Lennox Y6616 PCO3-14-16 PureAir Maintenance Kit
Our Price: $167.54
Retail: $178.54
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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


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Hoover Air Purifier HEPA & Pre-filter AH60010
Our Price: $19.70
Retail: $19.99
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Hunter 30915 HEPAtech Replacement Purifier Filter
(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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Hunter 30915 HEPAtech Replacement Purifier Filter
Our Price: $16.99
Retail: $19.95
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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.


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GeneralAire F1018 MERV 11 16x25x4 Media Filter
Our Price: $51.99
Retail: $59.99
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