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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.


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Air Filters product list


Genuine Hoover Type S Vacuum Bags Allergen - 3 Pk
(4010100S)

The Genuine Hoover Type S Vacuum Bags Allergen 3-Pack are replacement vacuum cleaner bags that fit all Hoover vacuum cleaners that use Type S bags, including the Futura, PowerMAX, WindTunnel, and several models of TurboPower. These replacement bags


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Genuine Hoover Type S Vacuum Bags Allergen - 3 Pk
Our Price: $6.99
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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
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Bionaire HAPF600CS Comp Air Purifier HEPA Filter
(Bionaire HAPF600CS R)

The Bionaire HAPF600CS R Air Purifier HEPA Filter fits many models of Bionaire and other brands of air purifiers.This Bionaire air purifier filter is a HEPA filter. The Bionaire HAPF600CS R Air Purifier HEPA Filter: Fits many Bionaire and othe


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Bionaire HAPF600CS Comp Air Purifier HEPA Filter
Our Price: $23.95
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RPS R14ALLM Replacement For Kenmore 83157 Carbon PreFilter 2-Pack
(KENMORE 83157 1 R)

The Kenmore 83157 Carbon PreFilter 2-Pack is the correct replacement for: several Kenmore air cleaner models This carbon prefilter is a cut to fit sheet that measures 15 3/4" x 48". This Kenmore prefilter removes large particles and common hou


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RPS R14ALLM Replacement For Kenmore 83157 Carbon PreFilter 2-Pack
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Trion Air Bear 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 Supreme 2000 Air Cleaner Merv 11
Our Price: $90.95
Retail: $199.99
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Lennox 72H09 EAC-2000 Carbon Filter Replacement
(72H09)

The Lennox 72H09 EAC-2000 Carbon Filter Replacement is a replacement carbon air filter for the Lennox EAC-20 and EAC-2000 air cleaners. This charcoal filter is an genuine Lennox part and is made from high quality construction material.


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Lennox 72H09 EAC-2000 Carbon Filter Replacement
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Universal Carbon Range Hood Filter - Trim to Fit
(RYM1518C)

This Universal Carbon Oven Range Hood Filter (RYM1518C) is a trim to fit oven range oven carbon filter for use with many over the range oven hoods (ducted and non-ducted), microwave ovens, and other similar applications requiring odor elimination. I


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Universal Carbon Range Hood Filter - Trim to Fit
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Lennox X8344 MERV 16 Filter Upgrade Kit
(X8344)

The Lennox X8344 MERV 16 Filter Upgrade Kit is an upgrade kit for the Lennox PCO-20C Healthy Climate PureAir Air Purification System. This Lennox PureAir filter kit includes one MERV 16 filter, also known by part number X6669, and six UV bulbs.

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Lennox X8344 MERV 16 Filter Upgrade Kit
Our Price: $275.27
Retail: $299.99
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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
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American Metal OEMRCP0205 Replacement For LG 5230W2A003C
(5230W2A003C)

The LG 5230W2A003C Comp. Microwave Charcoal Filter, made by the American Metal Filter Company, is a compatible replacement for the LG 5230W2A003C, LG 5230W2A003A, and GE WB02X10943 activated charcoal filters. This microwave grease filter reduces kit


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American Metal OEMRCP0205 Replacement For LG 5230W2A003C
Our Price: $4.99

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Hunter 30936 QuietFlo HEPA Purifier Filter
(30936)

The Hunter 30936 QuietFlo HEPA Purifier Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.3 microns.


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Hunter 30936 QuietFlo HEPA Purifier Filter
Our Price: $58.95
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Lennox 91X23 MERV 8 Pleated Air Filters 4-Pack
(91X23)

The Lennox 91X23 is a furnace and air conditioning filter that reduces the following allergens: Dust Pollen Mold spores


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Lennox 91X23 MERV 8 Pleated Air Filters 4-Pack
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Lennox 92X10 40/60 HEPA Filter Replacement
(92X10)

This Lennox Charcoal Carbon Filter 92X10 is designed to capture 99.97% of particulates down to 0.3 micron that pass through it. The Lennox Healthy Climate filter should be replaced every 2-5 years.

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Lennox 92X10 40/60 HEPA Filter Replacement
Our Price: $261.99
Retail: $284.96
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Lennox 72H02 Whole House System Air Filter 6-Pack
(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: $86.88

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GeneralAire 201-12880 MERV 11 Filter Media
(4050)

The GeneralAire 201-12880 is a compatible replacement for the following air cleaners: Aprilaire 2200 Air Cleaner Aprilaire 2250 Air Cleaner


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GeneralAire 201-12880 MERV 11 Filter Media
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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
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Trion Air Bear Supreme Filter 20x20x5 MERV11
(259112-103)

The Trion Air Bear Supreme Filter 20x20x5 MERV11 is an Air Bear filter with a MERV 11 rating and built-in frame strength. This genuine Air Bear filter boasts pre-applied gasketing on the pre-assembled filter in order to prevent air bypass. The MERV


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Trion Air Bear Supreme Filter 20x20x5 MERV11
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Trion Air Bear 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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Trion Air Bear Supreme 20x20 Media Air Cleaner
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FiltersFast 14ALL Replacement For Holmes HAPF93
(HAPF93)

The Holmes HAPF93 Carbon Odor Filter Replacement fits Holmes air purifier models Holmes HAP293 (Holmes HAP-293), Holmes HAP2934 (Holmes HAP-2934), and Holmes HAP294 (Holmes HAP-294). This Holmes HEPA filter pad replacement measures approximately 45.


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FiltersFast 14ALL Replacement For Holmes HAPF93
As Low As: $9.95
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Hunter 30931 HEPAtech Purifier Filter
(30931)

The Hunter 30931 HEPAtech Purifier Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.1 microns.


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Hunter 30931 HEPAtech Purifier Filter
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GeneralAire F1021 MERV 13 16x25x4 Media Filter 10-Pack
(4572)

The General Aire F1021 MERV 13 16x25x4 Media Filter is the correct replacement filter for the GeneralAir TERSus1200, and removes airborne particles and allergens as small as 0.3 micron to improve indoor the air quality of your home dramatically.


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GeneralAire F1021 MERV 13 16x25x4 Media Filter
Our Price: $537.40

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Lennox X8306 MERV 16 Expandable Filter Kit
(X8306)

The Lennox X8306 expandable filter is a MERV 16 furnace filter for your home. This Lennox healthy climate filter measures 16x25x5 inches.

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Lennox X8306 MERV 16 Expandable Filter Kit
Our Price: $142.00
Retail: $169.99
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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: $7.97
Retail: $19.99
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Hunter 30917 HEPAtech Purifier Filter
(30917)

The Hunter 30917 HEPAtech Purifier Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.1 microns.


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Hunter 30917 HEPAtech Purifier Filter
Our Price: $23.99
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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
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Filters Fast - Air Filters

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