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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:


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 3 to 4 business days.
Trion Air Bear Right Angle Air Cleaner Merv 11
Our Price: $131.99
Retail: $149.99
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Holmes HAPF600 HEPA Filter for Harmony Series
(HAPF600)

The Holmes HAPF600 HEPA Filter fits new Harmony Series Modular Air Purifiers HAP615, HAP625, HAP650, HAP675, HAP725, HAP750, HAP1625, HAP1650, HAP1750, HAP1725 and replaces GE Brand 10633, 106643, and 106653.


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Holmes HAPF600 HEPA Filter for Harmony Series
Our Price: $25.00

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FiltersFast ROHAPF96M Replacement for Holmes HAPF96
(ROHAPF96M)

The Holmes HAPF96 is a holmes air filter for your Holmes air purifier. This carbon prefilter helps to remove large particles and odors in your homes air. This air purifier pre filter also protects your air purifiers HEPA filter.


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FiltersFast ROHAPF96M Replacement for Holmes HAPF96
Our Price: $9.00
Retail: $14.99
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Honeywell HC-811 Humidifier Wick Filter
(Honeywell HC-811 R)

The Honeywell HC-811 humidifier wick filter is designed to fit your Honeywell model humidifier. This humidifier wick filter will remove minerals and pollutants from the water, preventing them from being released into your homes air. The HC-811 is re


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Honeywell HC-811 Humidifier Wick Filter
Our Price: $7.99
Retail: $9.99
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Duracraft ACA-1010 Air Cleaner Filter Replacement
(ACA-1010 R)

The Duracraft ACA-1010 Air Cleaner Filter Replacement is a HEPA filter which is 99.97% effective at removing dust, dirt, pollen, fibers, pet hair and dander, mold and spores as small as 0.3 microns.


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Duracraft ACA-1010 Air Cleaner Filter Replacement
Our Price: $20.99
Retail: $24.39
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FiltersFast A10PR R Replacement for Idylis A10-ID
(Idylis A10-ID R)

The FiltersFast A10PR R is the correct replacement for the Idylis A10-ID R and for the following humidifier models:


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FiltersFast A10PR R Replacement for Idylis A10-ID
As Low As: $6.99
Retail: $10.99
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Honeywell TRN2427T1 Replacement for Trane BAYFTFR24M, 24x27x5 Perfect Fit Filter - 3-Pack
(TRN2427T1)

These three Honeywell air filters are compatible furnace filters that can be used as upgrades over the Trane Perfect Fit filter of the same size. Genuine Trane Perfect Fit filters have only a MERV 8 rating, while these compatible Honeywell furnace f

Free shipping within the continental United States!

In Stock! Ships in 3 to 4 business days.
Honeywell TRN2427T1 Replacement for Trane BAYFTFR24M, 24x27x5 Perfect Fit Filter - 3-Pack
Our Price: $150.00
Retail: $179.99
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BioStrike CFF Ceiling Fan Air Filter - 93880
(BioStrike CFF)

The BioStrike Ceiling Fan Air Filter (BioStrike CFF) can be used with most ceiling fans to reduce dust, dirt, hair, pollen, pet dander, mold, and other airborne allergens. It attaches to the ceiling fan blade(s) to provide air filtration every time


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BioStrike CFF Ceiling Fan Air Filter - 93880
Our Price: $11.49
Retail: $14.99
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Trion 455600-001 Duct Mount HE Plus 2000
(455600-001)

The Trion Duct Mount HE Plus 2000, 455600-001 is an Electronic Whole House Air Purification System. The HE Plus 2000 includes an elctronic air flow sensor. This is a genuine Trion product. Learn how the HE Plus 2000 can help you...

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Trion 455600-001 Duct Mount HE Plus 2000
Our Price: $430.00
Retail: $520.00
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Frigidaire 241504902 Refrigerator Air Filter
(241504902)

The Frigidaire 241504902 is a refrigerator air filtration cartridge that is the replacement for Frigidaire EAF1CB. The Frigidaire 241504902 Refrigerator Air Filter fits Frigidaire and Electrolux Pure Advantage


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Frigidaire 241504902 Refrigerator Air Filter
Our Price: $12.99
Retail: $14.99
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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:


In stock! Ships in 1 business day.
FiltersFast A10PR R Replacement for Totaline P110-0007
As Low As: $6.99
Retail: $10.99
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Filtrete Home Odor Air Filter - 16 x 20 x 1 4-Pack
(Filtrete-Odor-16201)

The Filtrete Home Odor Air Filter - 16 x 20 x 1 is constructed with activated carbon to remove common odors from your home, including pet, smoke, cooking, mildew, and cleaning chemicals. In addition to creating a more breathable atmosphere, this car


In stock! Ships in 1 business day.
Filtrete Home Odor Air Filter - 16 x 20 x 1
Our Price: $86.44

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Honeywell TRN2127T1 Replacement for Trane BAYFTFR21M, 21x27x5 Perfect Fit - 3-Pack
(TRN2127T1)

These three Honeywell air filters are compatible furnace filters that can be used as upgrades over the Trane Perfect Fit filter of the same size. Genuine Trane Perfect Fit filters have only a MERV 8 rating, while these compatible Honeywell furnace f

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Honeywell TRN2127T1 Replacement for Trane BAYFTFR21M, 21x27x5 Perfect Fit - 3-Pack
Our Price: $154.50
Retail: $179.99
You Save 14%!

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FiltersFast FFMH-004 Replacement For GE WB06X10359
(FFMH-004)

The FiltersFast FFMH-004 Oven Hood Range Filter is the compatible replacement for GE WB06X10359.


In Stock! Ships in 7 to 8 business days.
FiltersFast FFMH-004 Replacement For GE WB06X10359
Our Price: $5.95
Retail: $9.99
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Hoover PowerDrive WindTunnel HEPA Vacuum Filter
(40120101)

This Hoover Power-Drive WindTunnel Vacuum Final Filter is a replacement vacuum final filter for Hoover Self-Propelled WindTunnel Upright vacuums with the Hoover Allergen Filtration System.


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Hoover PowerDrive WindTunnel HEPA Vacuum Filter
Our Price: $11.47
Retail: $19.99
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Crane HS-1934 Replacement Air Purifier Filter Set
(HS-1934)

The Crane HS-1934 replacement air purifier filter kit features an advanced four level filtration system which removes germs, viruses, and bacteria as well as many different airborne allergens such as dust, pollen, smoke, pet dander, mold spores.


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Crane HS-1934 Replacement Air Purifier Filter Set
Our Price: $22.99
Retail: $24.99
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FiltersFast 1" Air Filters MERV 8 Replacement for Rheem FPR 4 6-Pack
(FFM8 6pk RH)

The FiltersFast FFM8 6-Pack is the compatible replacement for the Rheem Basic Household Pleated Air Filter.


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FiltersFast 1" Air Filters MERV 8 Replacement for Rheem FPR 4 6-Pack
Our Price: $43.95
Retail: $49.99
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Lennox X4137 HEPA-20 92017-11 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 92017-11 Carbon PreFilter Replacement
Our Price: $34.95
Retail: $46.95
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Trane BAYFTAH26P4A Pleated 1 inch Filter 26x21x1 4-Pack
(BAYFTAH26P4A)

The Trane BAYFTAH26P4A Pleated 1 inch Filter 26x21x1 is a furnace air filter that fits several electronic and media air cleaner models from Trane. This Trane air filter boasts a MERV 8 rating for the reduction of particulates in your air, including


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Trane BAYFTAH26P4A Pleated 1 inch Filter 26x21x1
Our Price: $215.20

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FiltersFast 20x25x4 MERV8 Replacement for GeneralAire FP2025 3-Pack
(4526)

The FiltersFast 20x25x4 MERV8 is the compatible replacement for the GeneralAire FP2025.


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FiltersFast 20x25x4 MERV8 Replacement for GeneralAire FP2025 3-Pack
Our Price: $43.95
Retail: $49.99
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Carrier 356066-0601 EACBAXCC0020 PreFilter 2-Pack
(356066-0601)

The Carrier 356066-0601 Pre Filter is a genuine OEM factory replacement pre filter for compatible Carrier air cleaners and Bryant air cleaners, especially the Carrier EACBAXCC0020 Electronic Air Cleaner.


Special Order. Ships in 3 days.
Carrier 356066-0601 EACBAXCC0020 PreFilter
Our Price: $70.02

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BestAir R14ALLM Replacement For Kenmore 83237 2-Pack
(KENMORE 83237 1 R)

The Kenmore 83237 is the correct replacement for the following air cleaners: Kenmore Air Cleaners


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BestAir R14ALLM Replacement For Kenmore 83237 2-Pack
Our Price: $17.99
Retail: $19.99
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Lennox 75X73 Metal Mesh Filter Catalyst Insert Assembly
(75X73)

The Lennox 75X73 Metal Mesh Filter is a replacement metal mesh filter for the Lennox PCO-12C and PCO-12U. This metal air filter is constructed out of titanium dioxide and coated with a honeycomb screen.

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Lennox 75X73 Metal Mesh Filter Catalyst Insert Assembly
Our Price: $99.95
Retail: $189.95
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Lennox X2678 HEPA 20 Charcoal Carbon Filter
(X2678)

The Lennox X2678 HEPA 20 Charcoal Carbon Filter is a replacement charcoal carbon filter for the Lennox Healthy Climate HEPA 20 Bypass Filtration Unit. This is an inner filter used in the third stage of filtration for the removal of odors


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Lennox X2678 HEPA 20 Charcoal Carbon Filter
Our Price: $38.00
Retail: $40.28
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FiltersFast Brand White Rodgers F825-0549 MERV13
(FFC20265WRM13)

The FiltersFast Brand White Rodgers F825-0549 MERV13 2Pack is a compatible alternative that's a part of the White Rodgers F825 Series residential air cleaner replacement filters.


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FiltersFast Brand White Rodgers F825-0549 MERV13
Our Price: $80.00
Retail: $100.00
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Filters Fast - Air Filters

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