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Find Replacement Air Filters Fast & Easy!

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 product list


Lennox 92X08 HEPA 40/60 Foam PreFilter
(92X08)

The Lennox 92X08 HEPA 40/60 Foam PreFilter is a replacement foam pre-filter for the HEPA 40 and HEPA 60 Lennox Healthy Climate Indoor Air Quality HEPA systems. Contaminated air passes through this carbon pre-filter, allowing it trap large dirt.


In stock! Ships in 1 business day.
Lennox 92X08 HEPA 40/60 Foam PreFilter
Our Price: $34.99
Retail: $39.25
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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: $49.99
Retail: $59.99
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Trion Duct Mount HE Plus 2000, 455600-001
(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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In Stock! Ships in 12 to 13 business days.
Trion Duct Mount HE Plus 2000, 455600-001
Our Price: $392.99
Retail: $420.00
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Trane 24x26x5 Perfect Fit Filter BAYFTFR24M M13 x2
(FFC24265TRNM13)

For an economical compatible version of the genuine 24x26x5 Trane Perfect Fit BAYFTFR24M Filter, try this Trane 24x26x5 Perfect Fit Filter BAYFTFR24M with a MERV 13 energy efficiency rating.

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In Stock! Ships in 1 to 2 business days.
Trane 24x26x5 Perfect Fit Filter BAYFTFR24M M13 x2
Our Price: $110.00
Retail: $140.00
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Filtrete 67726- Eureka AS MicroAllergen - 3 Bags 18-Pack
(67726-6)

The Filtrete 67726-6 are replacement vacuum bags that fit the following models of vacuum cleaners: Eureka Air speed Bagless Upright Vacuum Cleaner Model 68155 Eureka Air speed Bagless Upright Vacuum Cleaner Model 84404 The Filtrete 67726- Eur


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Filtrete 67726- Eureka AS MicroAllergen - 3 Bags
Our Price: $71.10

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Honeywell 35200 Carbon PreFilter 2-Pack
(Honeywell 35200 1 R)

The Honeywell 35200 is the correct replacement for the following air purifiers: Honeywell HEPA Air Purifier Cleaners


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Honeywell 35200 Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
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Trane Perfect Fit Filter 21x27x5 BAYFTFR21M 3-Pack
(HTRN2127T1)

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

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Special Order. Ships in 2 days.
Trane Perfect Fit Filter 21x27x5 BAYFTFR21M
Our Price: $148.50

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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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Special Order. Ships in 3 days.
Lennox X8306 MERV 16 Expandable Filter Kit
Our Price: $140.00
Retail: $169.99
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Honeywell HC-24 Humidifier Filter Replacement
(Honeywell HC-24 R)

The Honeywell HC-24 Humidifier Filter Replacement is a J replacement humidifier filter for the Holmes Tabletop Cool Mist Humidifier models. This evaporator pad is antimicrobially treated for the removal of pollutants from water and prevents the grow


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Honeywell HC-24 Humidifier Filter Replacement
Our Price: $16.49
Retail: $17.31
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Crane Air Purifier with HEPA Filter - Shark Design
(EE-5064)

This Crane Air Purifier with HEPA filter is a personal air purifier designed to look like a shark (see above picture). It features an advanced five level filtration system to remove germs, viruses, and bacteria as well as many different airborne all


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Crane Air Purifier with HEPA Filter - Shark Design
Our Price: $71.25
Retail: $79.99
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Crane Humidifier Cleaner and Descaler - 8 Ounces 6-Pack
(HS-1933)

This 8 ounce bottle of Crane Humidifier Cleaner and Descaler (HS-1933) is a liquid descaler and cleaner which removes lime, calcium, and similar types of mineral scale from humidifiers, evaporators, vaporizers, and other similar units. It also contr


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Crane Humidifier Cleaner and Descaler - 8 Ounces 6-Pack
Our Price: $109.08
Retail: $114.53
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Filters Fast 5" Trane Compatible Air Filter 2-Pack
(FFC175275TRN OKGM)

The Filters Fast 5" Trane Compatible FFC175275TRN OKGM is a compatible replacement air filter that replaces the Trane BAYFTFR17M and Trane FLR06069 air filters, both of which can be used in several models of Trane Air Cleaners. This 5" filter boasts


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Filters Fast 5" Trane Compatible Air Filter 2-Pack
Our Price: $69.99
Retail: $104.99
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Trion Air Bear Cub Air Cleaner 16x25x3 Merv 11
(455602-925)

The 455602-925 is the correct air cleaner that uses: 16" X 25" X 3" MERV 11 Air Bear Filter Replacements.


In Stock! Ships in 22 to 23 business days.
Trion Air Bear Cub Air Cleaner 16x25x3 Merv 11
Our Price: $84.99
Retail: $99.99
You Save 15%!

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Lennox Y2920 Whole House Air Filter Cabinet
(Y2920)

The Lennox Y2920 Whole House Air Filter Cabinet is the correct system that is: Compatible with any HVAC system and does not require an additional power source


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Lennox Y2920 Whole House Air Filter Cabinet
Our Price: $91.75
Retail: $119.00
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Carrier 356066-1202 Charcoal Filter for EACBAXCC00 2-Pack
(356066-1202)

The Carrier 356066-1202 Charcoal Filter is a genuine OEM factory replacement charcoal carbon filter for compatible Carrier air cleaners and Bryant air cleaners, especially the Carrier EACBAXCC0014 Electronic Air Cleaner.


Special Order. Ships in 19 days.
Carrier 356066-1202 Charcoal Filter for EACBAXCC00
Our Price: $123.24

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Austin Air HM405 Allergy Machine - Black
(HM405 Black)

The Austin Air HM405 Allergy Machine - Black is an air cleaner that provides clean air for allergy and asthma sufferers. This Austin Air purifier offers users better sleep and less coughing & sneezing through the reduction of smoke, mold, mildew, fu

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In Stock! Ships in 1 to 2 business days.
Austin Air HM405 Allergy Machine - Black
Our Price: $574.99
Retail: $599.99
You Save 4%!

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Lennox 92X17 HEPA Filter Cartridge Replacement
(92X17)

This Lennox 92X17 HEPA Filter Cartridge Replacement offers a 3-stage filtration process is used to create a very effective filtration system. The Lennox Hepa Air Filter offers possible air-filtration performance.

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Special Order. Ships in 10 days.
Lennox 92X17 HEPA Filter Cartridge Replacement
Our Price: $126.25
Retail: $198.40
You Save 36%!

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Kenmore 83176 Carbon PreFilter 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.


In stock! Ships in 1 business day.
Kenmore 83176 Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
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Hunter 30938 QuietFlo HEPA Purifier Filter 3-Pack
(30938)

The Hunter 30938 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 30938 QuietFlo HEPA Purifier Filter
Our Price: $182.58

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GeneralAire Air Cleaner Prefilter R2-0855
(4782)

The GeneralAire Air Cleaner Prefilter R2-0855 is the correct replacement prefilter for the following model of air cleaner: GeneralAire GA50A22 This GeneralAire air cleaner prefilter measures 20" x 10 1/2". The GeneralAire R2-0855 is also known


Special Order. Ships in 28 days.
GeneralAire Air Cleaner Prefilter R2-0855
Our Price: $29.99
Retail: $39.99
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Kenmore 83125 Carbon PreFilter 2-Pack
(KENMORE 83125 1 R)

The Kenmore 83125 Carbon PreFilter 2-Pack is cut-to-fit activated. The Kenmore Carbon PreFilter should be replaced every 2 to 3 months for optimum performance.


In stock! Ships in 1 business day.
Kenmore 83125 Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
You Save 10%!

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Honeywell F300E1001 16x20 Electronic Air Cleaner
(F300E1001)

The Honeywell F300E1001 16x20 Electronic Air Cleaner optimizes efficiency with airflow that captures up to 98% of airborne particles that passes through it.

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Special Order. Ships in 10 days.
Honeywell F300E1001 16x20 Electronic Air Cleaner
Our Price: $499.99
Retail: $599.99
You Save 17%!

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Hoover WindTunnel Vacuum Belt Replacement 2-Pack
(40201160)

The Hoover WindTunnel Vacuum Belt Replacement 2-Pack is a genuine Hoover vacuum belt. These belts for Hoover vacuum cleaners fit upright vacuums including WindTunnel (except Self-Propelled), Bagless Widepath, Bagless PowerMax, Bagless Tempo, and


In Stock! Ships in 2 to 3 business days.
Hoover WindTunnel Vacuum Belt Replacement 2-Pack
Our Price: $7.18
Retail: $9.99
You Save 28%!

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Trion Air Bear 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

Free shipping within the continental United States!

In Stock! Ships in 14 to 15 business days.
Trion Air Bear Supreme 1400 Air Cleaner Merv 11
Our Price: $109.99
Retail: $129.99
You Save 15%!

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Filters Fast 5" Trane BAYFTFR21M Compatible 2-Pack
(FFC21275TRN OKGM)

The Filters Fast 5" Trane Perfect Fit BAYFTFR21M Compatible FFC21275TRN OKGM fits the following: any air cleaner that calls for a 21" x 27" x 5" filter This Filters Fast air filter also replaces the Trane Perfect Fit BAYFTFR21M filter. This Tr


In Stock! Ships in 3 to 4 business days.
Filters Fast 5" Trane BAYFTFR21M Compatible 2-Pack
Our Price: $99.00
Retail: $104.99
You Save 6%!

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Filters Fast - Air Filters

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