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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 X0586 MERV 11 Pleated Media Filter
(X0586)

This Lennox X0586 MERV 10 Pleated Media Filter is a genuine MERV 10 filter offering efficient and effective filtration. This Lennox Pleated Furnace Filter only needs to be replaced every 6 months.


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Lennox X0586 MERV 11 Pleated Media Filter
Our Price: $32.95
Retail: $39.99
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Hunter 30973 - Germicidal Replacement Air Filter
(30973)

The Hunter 30973 - Germicidal Replacement Air Filter is a replacement HEPA air filter for the Hunter Model 30890, 30891, 30892, 30895, and 30405 Air Purifiers. This Hunter air filter replacement features HEPA-type media with electricity applied thro


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Hunter 30973 - Germicidal Replacement Air Filter
Our Price: $39.99
Retail: $49.99
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Trane Perfect Fit BAYFTFR17P4A Filter-17.5x27x1
(BAYFTFR17P4A)

The Trane Perfect Fit BAYFTFR17P4A Filter - 17.5x27x1 fits several air cleaner models manufactured by Trane. This Trane Perfect Fit filter is 1 inch and pleated for maximum purification of your air. This Trane furnace filter measures approximately 1


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Trane Perfect Fit BAYFTFR17P4A Filter-17.5x27x1
Our Price: $16.52
Retail: $19.99
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Carrier GAPCCCAR2420 Air Purifier Filter
(GAPCCCAR2420)

The Carrier GAPCCCAR2420 Air Purifier Filter is a genuine OEM factory replacement air filter for the Carrier Infinity Air Purifier, Bryant Perfect Air Purifier, as well as other compatible air purifiers made by BDP, Payne, Day and Night Infinity, an


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Carrier GAPCCCAR2420 Air Purifier Filter
Our Price: $92.27
Retail: $119.99
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Whirlpool 1183054 HEPA Filter
(1183054)

The Whirlpool 1183054 replacement HEPA filter filter removes airborne contaminants known known to cause or worsen respiratory problems. The synthetic-based filter membrane captures microscopic air particles such as dust, pollen, and smoke.


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Whirlpool 1183054 HEPA Filter
Our Price: $89.99
Retail: $149.99
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Holmes HAPF21, 9000436 Replacement Filter
(HAPF21)

The Holmes HAPF21 Replacement Filter is the main HEPA filter in Holmes models HAP222, HAP221, HAP220, HAP223, and HAP2234. Also known as part number HAPF21CS.


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Holmes HAPF21, 9000436 Replacement Filter
Our Price: $10.00
Retail: $11.00
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Electrolux EAF1CB PureAdvantage Air Filter
(EAF1CB)

The Electrolux Pure Advantage Refrigerator Air Filter Cartridge fits Icon refrigetator models manufactured by Electrolux and Frigidaire. Reduces odors from foods such as onions, garlic, fish, stale milk, and over-ripe fruits.


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Electrolux EAF1CB PureAdvantage Air Filter
Our Price: $11.99
Retail: $14.99
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Aprilaire SpaceGard 2200 Air Filter MERV 8 2-Pack
(FFC20256SGM8)

The Aprilaire SpaceGard 2200 Air Filter is an economical alternative for the OEM Aprilaire 2200 and 2250 Air Filter Media Replacement.


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Aprilaire SpaceGard 2200 Air Filter MERV 8 2-Pack
Our Price: $55.99
Retail: $59.99
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Holmes HWF75 Humidifier Filter - HM1700, HM1280
(HWF75)

Holmes HWF75 Humidifier Filter features Microban technology and is designed for use with Humidifier Models: HM3500, HM3600, HM3640, HM3641, HM3650, HM3655, WWH3300, and WWHM3600.


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Holmes HWF75 Humidifier Filter - HM1700, HM1280
Our Price: $19.99

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Lennox X6672 MERV 16 Furnace Filter Replacement
(X6672)

The Lennox X6672 MERV 16 Furnace Filter Replacement is a replacement air filter for the Lennox HCC16028 Healthy Climate True Fit Cabinet. This furnace filter measures approximately 16x25x5 and features a MERV 16 rating for the reduction of particles.

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Lennox X6672 MERV 16 Furnace Filter Replacement
Our Price: $119.90
Retail: $149.95
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Trane Perfect Fit BAYFTFR17M Compat. 17.5x27x5 2pk
(FFC175275TRN)

These MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These Filters Fast Air Filters specifically replace Trane part number BAYFTFR17M or FLR06069, which is a 17.5x27x5 Air Filter used in several Trane Air Cleaner.


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Trane Perfect Fit BAYFTFR17M Compat. 17.5x27x5 2pk
Our Price: $69.99
Retail: $99.99
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White Rodgers 20x26x5 F825-0549 MERV 8 2-Pack
(FFC20265WRM8)

The White Rodgers 20x26x5 Air Filter F825-0549 is a compatible alternative for the OEM White Rodgers 20x26x5 Air Filter. This filter is made of fine carbon powder bonded to lofted polyester media for odor reduction.


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White Rodgers 20x26x5 F825-0549 MERV 8 2-Pack
Our Price: $40.99
Retail: $50.00
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Trane Perfect Fit BAYFTFR21M Compat 21x27x5 2pk
(FFC21275TRNM11)

These MERV 11 compatible Furnace Filters are replacement filters for Trane Perfect Fit Air Filters. These Filters Fast Air Filters replace Trane part number BAYFTFR21M or FLR06070 , which is used in several Trane Air Cleaner models.


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Trane Perfect Fit BAYFTFR21M Compat 21x27x5 2pk
Our Price: $99.00
Retail: $100.00
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Trane Perfect Fit BAYFTFR24M 24.5x27x5 2-Pack
(FFC24265TRN)

These MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These Filters Fast Air Filters specifically replace Trane part number BAYFTFR24M, which is a 24.5x27x5 Air Filter used in several Trane Air Cleaner models.


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Trane Perfect Fit BAYFTFR24M 24.5x27x5 2-Pack
Our Price: $98.00
Retail: $111.00
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Trane BAYFTFR17M2 Replacement Air Filter 17.5x27x5
(BAYFTFR17M2)

The Trane BAYFTFR17M2 is a Trane Perfect Fit filter for use in the following enclosures: Trane Perfect Fit Trane Air-Tite American Standard Perfect Fit American Standard Air-Tite The Trane BAYFTFR17M2 Replacement Air Filter 17.5x27x5 has no


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Trane BAYFTFR17M2 Replacement Air Filter 17.5x27x5
Our Price: $42.99
Retail: $49.99
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GE WB2X8293 Comp. Range Hood Filter
(RCP0907)

The GE WB2X8293 Compatible Range Hood Filter measures 9" x 10 1/2" x 3/8" (measure your old filter to ensure a perfect fit). This carbon range hood filter is a compatible replacement for the GE WB2X8293 and is not washable. This charcoal filter opti


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GE WB2X8293 Comp. Range Hood Filter
Our Price: $6.09
Retail: $9.99
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Filtrete Dust & Pollen Furnace Filter (Light Blue)
(Dust and Pollen)

The Filtrete Dust & Pollen Furnace Filter is the right choice if you're looking for an economical upgrade from cheap 1 month furnace filters. The Filtrete "Blue Filter" features electrostatically charged fibers and is ideal for high-velocity..


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Filtrete Dust & Pollen Furnace Filter (Light Blue)
Our Price: $12.99
Retail: $14.99
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Trane Perfect Fit Compat. 17.5x27x5 2 pk, MERV 13
(FFC175275TRN M13)

These MERV 13 Furnace Filters replace Trane Perfect Fit Air Filters with the part number BAYFTFR17M or FLR06069, which are 17.5x27x5 air filters used in several Trane Air Cleaner models.

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Trane Perfect Fit Compat. 17.5x27x5 2 pk, MERV 13
Our Price: $89.99
Retail: $116.99
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Trion 20x20x5 Air Bear Filter MERV 13 2-Pack
(FFC20205TABM13)

The Trion 20x20x5 Air Bear Furnace Filter is the compatible version of the genuine Trion Air Bear Media Filter 20x20x5, 255649-103.


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Trion 20x20x5 Air Bear Filter MERV 13 2-Pack
Our Price: $59.99
Retail: $80.00
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Aprilaire SpaceGard 2400 Air Filter MERV 8 2-Pack
(FFC162766SGM8)

The Aprilaire SpaceGard 2400 Air Filter is an economical compatible alternative for the Aprilaire SpaceGard 2400 Air Cleaner Systems requiring a 16x27x6 media filter.


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Aprilaire SpaceGard 2400 Air Filter MERV 8 2-Pack
Our Price: $42.99
Retail: $50.00
You Save 14%!

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3M Filtrete Dust & Pollen Furnace Filter 6-Pack LB
(Dust and Pollen 6-Pk)

The 3M Filtrete Dust & Pollen Furnace Filter is an electrostatically charged furnace filter ideal for high velocity HVAC systems. 3M Filtrete filters are an economical upgrade from cheap one month filters.


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3M Filtrete Dust & Pollen Furnace Filter 6-Pack LB
Our Price: $57.25
Retail: $60.11
You Save 5%!

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Honeywell PopUp Collapsable Air Filter - MERV 11
(Honeywell PopUp)

The Honeywell PopUp replacement air filter media is available in several sizes and features a MERV 11 rating. Installers and homeowners can save space and money. Filter is compatible with Aprilaire cabinets.


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Honeywell PopUp Collapsable Air Filter - MERV 11
Our Price: $35.00
Retail: $39.95
You Save 12%!

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Carrier EXPXXFIL0016 EZ-FLEX Air Purifier Filter
(EXPXXFIL0016)

The Carrier EXPXXFIL0016 Air Purifier Filter is a genuine OEM factory replacement air filter for Bryant, Carrier, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air purifiers. It will fit many compatible air purifiers includin


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Carrier EXPXXFIL0016 EZ-FLEX Air Purifier Filter
Our Price: $51.98
Retail: $69.99
You Save 26%!

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Lennox X0444 MERV 11 Pleated Furnace Filter Media
(X0444)

The Lennox X0444 MERV 10 Pleated Furnace Filter Media is a filter for your HVAC system. This furnace filter media is known as the x0444 and uses a MERV 10 air filter.The MERV 10 rating will provide your home with significant air cleaning capability


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Lennox X0444 MERV 11 Pleated Furnace Filter Media
Our Price: $28.95
Retail: $39.99
You Save 28%!

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Lennox X7935 MERV 16 Filter Media Replacement
(X7935)

The Lennox X7935 MERV 16 Filter Media Replacement is a replacement filter media for the Lennox HCC14-23 Healthy Climate True Fit Cabinet. Measuring approximately 20x20x5, this MERV 16 furnace filter box will trap at least 95% of particles.

Free shipping within the continental United States!

In stock! Ships in 1 business day.
Lennox X7935 MERV 16 Filter Media Replacement
Our Price: $118.80
Retail: $149.95
You Save 21%!

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Filters Fast - Air Filters

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