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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.

Filters Fast furnace air filters offer an affordable option to excellent indoor air quality. These replacement home furnace filters will cost you much less than what you will save on your energy efficiency.


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Filters Fast Furnace Filters product list


1" Air Filters Merv 11 -Case of 6 Filters (Better)
(FFM11 6pk)

Filters Fast Air Filters are an economical alternative if you're looking for a quality air filter, furnace filter without paying a premium price! Filters Fast Air Filters, furnace filters, AC filters come in a variety of sizes and are a cost..


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1" Air Filters Merv 11 -Case of 6 Filters (Better)
Our Price: $44.95
Retail: $69.99
You Save 36%!

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1" Air Filters Merv 8 - Case of 6 Filters (Good)
(FFM8 6pk)

Filters Fast Air Filters are an economical alternative if you're looking for a quality air filter without paying a premium price! Filters Fast Air Filters come in a variety of sizes and are a cost effective upgrade from simple fiberglass or ...


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1" Air Filters Merv 8 - Case of 6 Filters (Good)
Our Price: $36.99
Retail: $49.99
You Save 26%!

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1" Air Filters Merv 13 - Case of 6 Filters (Best)
(FFM1361)

Filters Fast MERV 13 Air Filter effectively reduces pollen, dust, pet dander, mold spores, dust mites and other allergens from indoor air. Filters Fast Merv 13 furnace filters, AC filters now available.


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1" Air Filters Merv 13 - Case of 6 Filters (Best)
Our Price: $54.95
Retail: $69.99
You Save 21%!

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Filters Fast Custom Size Air Filters
(FFCUSTAIR)

Filters Fast Air Filters are an economical alternative if you're looking for a quality air filter without paying a premium price! Filters Fast Air Filters are now available in custom sizes! View details for order guidelines.


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Filters Fast Custom Size Air Filters
Our Price: $52.99
Retail: $59.99
You Save 12%!

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Trion Air Bear 259112-102 Comp MERV 11 20x25x5-2pk
(FFC20255TAB)

The Filters Fast Compatible 20x25x5 MERV 11 Air Filter can be used as an upgrade for Trion Air Bear part number 255649-102. Upgrade your Trion Air Bear Filter today for just a few extra dollars!


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Trion Air Bear 259112-102 Comp MERV 11 20x25x5-2pk
Our Price: $34.99
Retail: $50.75
You Save 31%!

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Filters Fast 4-Inch Air Filters MERV 11 - 3-pack
(FF4M11)

Filters Fast Air Filters are an economical alternative if you're looking for a quality air filter without paying a premium price! Filters Fast Air Filters come in a variety of sizes and are a cost effective upgrade.


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Filters Fast 4-Inch Air Filters MERV 11 - 3-pack
Our Price: $43.90
Retail: $59.99
You Save 27%!

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Filters Fast MERV 13 4" Furnace Filter - 3-Pack
(FFM136)

Filters Fast 4-inch Air Filters (FFM136) have a MERV 13 rating and are useful in a variety of settings, including homes, offices, and industrial sites. The MERV (Minimum Efficiency Reporting value) rating explains the efficiency of your filter, so a


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Filters Fast MERV 13 4" Furnace Filter - 3-Pack
Our Price: $59.90
Retail: $89.99
You Save 33%!

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Filters Fast 4-inch MERV 8 Air Filters, 3-pack
(FF4M8)

These Filters Fast Merv 8 4" air filters are compatible with top name brand AC filters such as Aprilaire, Space-Gard, Trion Air Bear and Honeywell. Sizes are 20x25x4, 16x25x4, and 20x20x4.


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Filters Fast 4-inch MERV 8 Air Filters, 3-pack
Our Price: $35.90
Retail: $49.99
You Save 28%!

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FiltersFast FFC20255TABM8 20x25x5 Air Filter - 2pk
(FFC20255TABM8)

The Filters Fast FFC20255TABM8 compatible filter is a replacement for the OEM Trion 20x25x5 Air Bear Media AC Filter 255649-102. This Air Bear Replacement Filter captures airborne allergens like dust, pollen, pet dander, mold, spores and smoke.


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FiltersFast FFC20255TABM8 20x25x5 Air Filter - 2pk
Our Price: $34.95
Retail: $50.00
You Save 30%!

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Filters Fast MERV 8- 2" Furnace Air Filters 6-PACK
(FFM86)

Upgrade your 1" air filter with our new 2" MERV 8 air filters. Like our 1" MERV 8 filters, these 2" furnace filters will reduce dust, pollen, pet dander and other contaminants from your air. By doing so, you will help eliminate allergy & sinus issues


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Filters Fast MERV 8- 2" Furnace Air Filters 6-PACK
Our Price: $52.99
Retail: $69.99
You Save 24%!

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Filters Fast 2" MERV 11 Air Filters 6-pack
(FFM1162)

The Filters Fast 2" MERV 11 Air Filters are an economical alternative to genuine OEM air furnace filters of the same size and come in a convenient 6-pack value set.


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Filters Fast 2" MERV 11 Air Filters 6-pack
Our Price: $64.99
Retail: $89.99
You Save 28%!

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Aprilaire SpaceGard 2400 Air Filter -MERV 13 2PACK
(FFC162766SGMM13)

The Aprilaire SpaceGard 2400 Air Filter is a compatible filter replacement for the Aprilaire SpaceGard 2400 Air Cleaner System.


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Aprilaire SpaceGard 2400 Air Filter -MERV 13 2PACK
Our Price: $79.00
Retail: $90.00
You Save 12%!

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Aprilaire SpaceGard 2200 Air Filter - MERV 13 2pk
(FFC20256SGM13)

The Aprilaire SpaceGard 2200 Air Filter is a compatible replacement filter for the genuine Aprilaire 2200 & 2250 Filter Media Replacement. It is an economical alternative that fits Aprilaire 2200 Air Cleaner and Aprilaire 2250 Air Cleaner.


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Aprilaire SpaceGard 2200 Air Filter - MERV 13 2pk
Our Price: $73.00
Retail: $80.00
You Save 9%!

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Trion 16x25x5 Air Bear Furnace Filters MERV 8
(FFC16255TABM8)

The Trion 16x25x5 Air Bear Furnace Filter is an economical alternative to the OEM Trion 16x25x5 Air Bear Media AC Filter 255649-105.


In Stock! Ships in 1 to 2 business days.
Trion 16x25x5 Air Bear Furnace Filters MERV 8
Our Price: $35.95
Retail: $40.00
You Save 10%!

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Trane 17.5x27x5 Perfect Fit BAYFTFR17M Filter 2pk
(FFC175275TRNM8)

The Trane 17.5x27x5 Perfect Fit BAYFTFR17M Filter is a compatible version of the genuine OEM Trane Perfect-Fit BAYFTFR17M.


In Stock! Ships in 1 to 2 business days.
Trane 17.5x27x5 Perfect Fit BAYFTFR17M Filter 2pk
Our Price: $48.99
Retail: $70.00
You Save 30%!

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Trane 21x26x5 Perfect Fit BAYFTAH26M Filter 2pk
(FFC26215TRNM8)

The Trane 21x26x5 Perfect Fit BAYFTAH26M Air Filter is an economical compatible alternative for the genuine OEM 21x26x5 Trane Perfect Fit BAYFTAH26M Filter.


In Stock! Ships in 1 to 2 business days.
Trane 21x26x5 Perfect Fit BAYFTAH26M Filter 2pk
Our Price: $50.00
Retail: $70.00
You Save 29%!

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Honeywell FC100A1037 Compatible 20x25x5, 2-pack
(FFC20255HON)

The Honeywell FC100A1037 Compatible20x25x5 MERV 11 Air Filter can be used as an upgrade for Honeywell part number FC100A1037. Upgrade your Honeywell Media Filter today and get a better filter for the same price as the original manufacturer's brand!


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Honeywell FC100A1037 Compatible 20x25x5, 2-pack
Our Price: $49.90
Retail: $75.00
You Save 33%!

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Aprilaire Space Gard 2200 Comp. 20x25x6 - 2 Pack
(FFC20256SG)

The Filters Fast Compatible 20x25x6 MERV 11 Air Filter can be used as an upgrade for the Aprilaire Space Gard 2200. Upgrade your Space Gard filter today to the pre-assembled, easy to install Filters Fast Space Gard Compatible 20x25x6!


In Stock! Ships in 1 to 2 business days.
Aprilaire Space Gard 2200 Comp. 20x25x6 - 2 Pack
Our Price: $53.99
Retail: $69.99
You Save 23%!

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Honeywell 16x25x5 Filter FC100A1029 - MERV 8 2pk
(FFC16255HONM8)

The Honeywell 16x25x5 Filter FC100A1029 is a compatible version of the OEM Honeywell 16x25x5 FC100A1029 Air Filter. This filter is supported by a 30 gauge galvanized expanded metal grid.


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Honeywell 16x25x5 Filter FC100A1029 - MERV 8 2pk
Our Price: $41.73
Retail: $59.99
You Save 30%!

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Honeywell FC100A1011 Compatible 20x20x5, 2-pack
(FFC20205HON)

The Honeywell Compatible MERV 11 Air Filter can be used as an upgrade for Honeywell part number FC100A1011. Upgrade your Honeywell Media Filter today and get a better filter for the same price as the original manufacturer's brand!


In Stock! Ships in 1 to 2 business days.
Honeywell FC100A1011 Compatible 20x20x5, 2-pack
Our Price: $49.90
Retail: $69.99
You Save 29%!

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Filters Fast FC100A1029, FILCCCAR0016 16x25x5, 2pk
(FFC16255HON)

The Filters Fast, Carrier Compatible 16x25x5 MERV 11 Air Filter can be used as an upgrade for Honeywell part number FC100A1029. Upgrade your Honeywell Media Filter today and get a better filter for the same price as the manufacturer's brand!


In Stock! Ships in 1 to 2 business days.
Filters Fast FC100A1029, FILCCCAR0016 16x25x5, 2pk
Our Price: $49.90
Retail: $70.00
You Save 29%!

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Trane Perfect Fit BAYFTAH21M Compat. 21.5x21x5 2pk
(FFC215215TRN)

These MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These Filters Fast Air Filters specifically replace Trane part number BAYFTAH21M or FLR06072, which is a 21.5x21x5 Air Filter used in several Trane Air Cleaners


In Stock! Ships in 1 to 2 business days.
Trane Perfect Fit BAYFTAH21M Compat. 21.5x21x5 2pk
Our Price: $98.00
Retail: $99.00
You Save 1%!

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Trion MERV 8 Comp. Air Bear Furnace Filter-20x20x5
(FFC20205TABM8)

The Trion FFC20205TABM8 20x20x5 MERV 8 Compatible Air Bear Furnace Filter replacement is an economical alternative for the OEM - Trion 255649-103 Air Bear Media Filter 20x20x5.


In Stock! Ships in 1 to 2 business days.
Trion MERV 8 Comp. Air Bear Furnace Filter-20x20x5
Our Price: $37.90
Retail: $50.00
You Save 24%!

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Filters Fast Air Filters 2" Merv 13, 6-pack
(FFAFM13)

Upgrade your 1" filter today with a 2-inch Filters Fast MERV 13 air filter! The highest MERV Rating on the market now available in this 2" air filter by Filters Fast. Save money on your and protect your HVAC with MERV 13 furnace filters, AC filters.


In Stock! Ships in 1 to 2 business days.
Filters Fast Air Filters 2" Merv 13, 6-pack
Our Price: $84.99
Retail: $149.99
You Save 43%!

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Trane 21x21.5x5 Perfect Fit BAYFTAH21M Filter 2pk
(FFC215215TRNM8)

This Trane Perfect Fit 21x21.5x5 BAYFTAH21M is an economical compatible version of the genuine OEM Trane Perfect Fit 21.5x21x5 Filter.


In Stock! Ships in 1 to 2 business days.
Trane 21x21.5x5 Perfect Fit BAYFTAH21M Filter 2pk
Our Price: $63.99
Retail: $70.00
You Save 9%!

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Filters Fast - Filters Fast Furnace Filters

" Thanks for the fast service. All items were included in the order and arrived in good condition. " - Tom, Temperance, MI
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