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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:


BestAir R14ALLM Replacement For Bionaire A1000C 2-Pack
(Bionaire A1000C 1 R)

The Bionaire A1000C Carbon PreFilter 2-Pack is the correct replacement for the following models of Bionaire air cleaners: SH1240 SH1260 SH1840 SH1860 This carbon prefilter's dimensions are 11.5" x 11.5" x 0.2". This Bionaire prefilter traps


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BestAir R14ALLM Replacement For Bionaire A1000C 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Bionaire A1260C 2-Pack
(Bionaire A1260C 1 R)

This Bionaire A1260C Carbon PreFilter 2-Pack is a charcoal-activated filter pack which effectively absorbs and eliminates common household odors. The Bionaire A1260C Carbon PreFilter comes in a money-saving 2-pack package.


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BestAir R14ALLM Replacement For Bionaire A1260C 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Duracraft D530 2-Pack
(Duracraft D530 1 R)

The Duracraft D530 is the correct replacement for the following air purifiers: Duracraft HEPA 260 Air Purifier Duracraft DA-5030 Air Purifier


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BestAir R14ALLM Replacement For Duracraft D530 2-Pack
Our Price: $17.99
Retail: $21.99
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BestAir R14ALLM Replacement For GE P00633 2-Pack
(GE P00633 1 R)

The GE P00633 Carbon PreFilter 2-Pack is a carbon pre-filter that fits the GE 106633 model air cleaner. This carbon filter for air cleaners measures approximately 15.5" x 20.5" x 0.25" and traps large airborne particulates.


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BestAir R14ALLM Replacement For GE P00633 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Honeywell 32001 2-Pack
(Honeywell 32001 1 R)

The Honeywell 32001 Carbon PreFilter 2-Pack is a high quality carbon pre-filter that removes household odors and other impurities. This Honeywell 32001 Carbon PreFilter 2-Pack should be replaced every three months for optimum performance.


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BestAir R14ALLM Replacement For Honeywell 32001 2-Pack
Our Price: $17.99
Retail: $21.99
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BestAir R14ALLM Replacement For Kaz Premium 2-Pack
(KAZ PREMIUM 1 R)

The Kaz Premium Carbon PreFilter 2-Pack is a replacement pack of pre-filters for the Kaza HEPAClean and HEPA Compact Tower model air purifiers. This two pack of carbon filters helps your HEPA filter reach maximum efficiency and reduces unwanted odor


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BestAir R14ALLM Replacement For Kaz Premium 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Kenmore 83176 2-Pack
(KENMORE 83176 1 R)

The Kenmore 83176 Carbon PreFilter comes in this cost-cutting 2-pack package. The Kenmore Carbon PreFilter should be replaced every 2 to 3 months for optimum performance.


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BestAir R14ALLM Replacement For Kenmore 83176 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Norelco CAF150 2-Pack
(NORELCO CAF150 1 R)

The Norelco CAF150 Carbon PreFilter 2-Pack is the correct replacement for the following models of Norelco air cleaners: CAS 1050 CAS 1051 CAS 2051 This carbon prefilter measures 7.28" x 2.36" x 9.45". This Norelco prefilter comes with two fi


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BestAir R14ALLM Replacement For Norelco CAF150 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Pollenex FP1000 2-Pack
(POLLENEX FP1000 R)

The Pollenex FP1000 is the correct replacement for the following air cleaners: Pollenex Air Cleaners requiring a carbon pre-filter.


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BestAir R14ALLM Replacement For Pollenex FP1000 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Shop-Vac 8017062 2-Pack
(SHOP-VAC 8017062 1 R)

The Shop-Vac 8017062 Carbon PreFilter 2-Pack is a replacement two pack of carbon pre-filters for the Shop-Vac 1030000 air cleaner model. These carbon filters reduce airborne contaminants down to 5 microns and allows you to reduce dust and dirt from


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BestAir R14ALLM Replacement For Shop-Vac 8017062 2-Pack
Our Price: $17.99
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BestAir R14ALLM Replacement For Sunbeam 6618 2-Pack
(SUNBEAM 6618 1 R)

The Sunbeam 6618 Carbon prefilter 2-pack works with your Sunbeam 2590 air purifier. This convenient two pack will keep noxious gases and large particulates out of your homes air. This will increase the life of your air purifiers HEPA filter.


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BestAir R14ALLM Replacement For Sunbeam 6618 2-Pack
Our Price: $17.99
Retail: $21.99
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BestAir R14ALLM Replacement For Vicks CF1 Carbon PreFilter 2-Pack
(VICKS CF1 1 R)

The Vicks CF1 Carbon PreFilter 2-Pack helps control odors and other impurities within the air. The Vicks CF1 Carbon PreFilter should be replaced every 3 months, depending upon air quality.


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BestAir R14ALLM Replacement For Vicks CF1 Carbon PreFilter 2-Pack
Our Price: $17.99
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BestAir A10WPR Replacement for Carrier HUMBBSBP2312-A
(C HUMBBSBP2312-A 1R)

The BestAir A10WPR Paper Water Panel Filter has approximate dimensions of 9 1/2 x 10 x 1 1/2, and is the correct compatible replacement for the Carrier HUMBBSBP2312-A and Carrier HUMCCSBP2312-A models of humidifiers.


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BestAir A10WPR Replacement for Carrier HUMBBSBP2312-A
Our Price: $15.99
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BestAir A10WPR Replacement for Carrier P110-0007 Filter
(Carrier P110-0007 1R)

The Carrier P110-0007 paper water panel filter measures 9-7/16" x 10-1/16" x 1-5/8" (approx.), and is the correct filter for many humidifiers models by BDP, AprilAire, Bryant, Lennox, Autoflo, Healthy Climate, Hamilton, Carrier, Lasko and Totaline.


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BestAir A10WPR Replacement for Carrier P110-0007 Filter
Our Price: $15.99
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GeneralAire GA23 Humidifier Vapor Pad Replacement 10-Pack
(7923)

Humidifier vapor pads, sometimes called humidifier filter pads or vapor pad replacements, are one of the most important elements in a humidifier. This is because they are the key component in creating the vapor that re-introduces moisture into dry a


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GeneralAire GA23 Humidifier Vapor Pad Replacement
Our Price: $109.90

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3M OAC100RF Replacement Air Filter 6-Pack
(OAC100RF)

The 3M OAC100RF Replacement Air Filter is the replacement filter for the 3M Filtrete OAC100 Office Air Cleaner. This easy to change filter reduces airborne dust, pollen and particulates down to 0.01 microns.

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3M OAC100RF Replacement Air Filter 6-Pack
Our Price: $133.94
Retail: $161.99
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Honeywell FC40R1052 16x20 Return Air Grille Filter 5-Pack
(FC40R1052)

The Honeywell FC40R1052 is a high-efficiency, replacement AC filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 16x20x4. Genuine Honeywell Part.


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Honeywell FC40R1052 16x20 Return Air Grille Filter
Our Price: $259.95

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Holmes HWF64 Humidifier Filter
(HWF64)

The Holmes HWF64 Humidifier Filter is designed to maintain optimal peformance of your Holmes Humidifier. Fits models HM1645, HM1730, HM1745, HM1750, and HM2200.


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Holmes HWF64 Humidifier Filter
As Low As: $15.99
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Trion Air Bear 455602-025 Supreme 2000 Media Air Cleaner
(455602-025)

The Trion Air Bear Supreme 2000 Media Air Cleaner, part number 455602-019, provides a clean and controlled indoor air environment in your home by removing dirt, dust, pollen and other microscopic particles from your air.

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Trion Air Bear 455602-025 Supreme 2000 Media Air Cleaner
Our Price: $100.95
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Trion Air Bear 455602-225 Supreme 20x20 Media Air Cleaner
(455602-225)

The Trion Air Bear Supreme 20x20 Media Air Cleaner, part number 455604-019, provides a clean and controlled indoor air environment in your home by removing dirt, dust, pollen and other microscopic particles such as grease and soot from your air.

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In Stock! Ships in 18 to 19 business days.
Trion Air Bear 455602-225 Supreme 20x20 Media Air Cleaner
Our Price: $111.99
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Trion Duct Mount HE Plus 1400, 455601-001C 16"x25"
(455601-001C)

The Trion Duct Mount HE Plus 1400, 455601-001C is an Electronic Whole House Air Purification System. The HE Plus 1400 includes an elctronic air flow sensor. Genuine Trion Fedders product. Learn how the HE Plus 1400 can help you live a healthy life..

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Trion Duct Mount HE Plus 1400, 455601-001C 16"x25"
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$2,000 Premium Fiberglass Air Filter
(Air 2000)

How does one simple fiberglass air filter cost $2,000? Must be one really good air filter, right?

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$2,000 Premium Fiberglass Air Filter
Our Price: $2,001.00
Retail: $2,354.99
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Honeywell HC-14 Replacement Humidifier Filter Wick
(HC-14)

The Honeywell HC-14 Humidifier Filter Replacement reduces waterborne minerals and contaminants to keep your humidifier clean.


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Honeywell HC-14 Replacement Humidifier Filter Wick
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Trion Air Bear 455602-525 Supreme 2000 Air Cleaner Merv 11
(455602-525)

The Trion Air Bear Supreme 2000 Air Cleaner Merv 11 is a whole house air cleaner that filters various airborne particles. With this Trion Air Bear cleaner you will be able to capture and hold pollutants from the air inside the filter, which will all

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Trion Air Bear 455602-525 Supreme 2000 Air Cleaner Merv 11
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Trion Air Bear 455602-625 Supreme 1400 Air Cleaner Merv 11
(455602-625)

The Trion Air Bear Supreme 1400 Air Cleaner Merv 11 is a whole house air cleaner that captures and holds pollutants within its filter. The filter then efficiently allows the air to pass throughout the system. The Trion Supreme 1400 features a rugged

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Trion Air Bear 455602-625 Supreme 1400 Air Cleaner Merv 11
Our Price: $111.99
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