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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.

Routine maintenance is a critical part of caring for your home. One area that should not be overlooked is replacing your home’s furnace filters on a regular basis following the manufacturers recommended guidelines. By doing this, you will help prolong the life of your system, as well as help eliminate indoor air contaminates.

Air filters help rid your home of a variety of air pollutants including smog, smoke, pollen, bacteria, pet dander, mold spores, dust, dust mites, debris and virus carrying particles. The MERV rating on furnace filters can help guide you in this area. The higher the rating, the more efficient the air filter will be at eliminating indoor contaminates.

Filtrete, Trion, 3M and Honeywell all manufacture high quality filters in a variety of sizes to meet all of your air filtration needs.


Furnace Filters full product list:


Trion Air Bear 259112-102 Supreme 2000 Filter 20x25x5
(259112-102)

The Trion Air Bear Supreme 2000 Filter 20x25x5 is a whole house air filter with a MERV 11 rating that captures 90% of particles that are between 3 to 10 microns in size. This air bear filter boasts efficient synthetic material that contains extended


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Trion Air Bear 259112-102 Supreme 2000 Filter 20x25x5
Our Price: $30.99
Retail: $39.99
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Trane BAYFTAHEXM2 Expandable Replacement Media
(BAYFTAHEXM2)

The Trane BAYFTAHEXM2 Expandable Replacement Media is a set of two furnace air filters that require the use of a Retrofit Frame Kit to be operable. This Trane Perfect Fit filter measures approximately 20 inches in length and 5 inches in thickness. T


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Trane BAYFTAHEXM2 Expandable Replacement Media
As Low As: $47.99
Retail: $79.99
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Trion Air Bear Media Filter 3-Pack 16x25x5, MERV 8
(255649-105 3pack)

The Trion Air Bear Media AC Filter 16x25x5 part number 255649-105 is a genuine Trion Air Bear pleated media A/C filter. The 255649105 can be used in Trion models Air Bear Supreme 1400 and Trion Air Bear 1400.


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Trion Air Bear Media Filter 3-Pack 16x25x5, MERV 8
Our Price: $61.99
Retail: $110.99
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Honeywell FC200E1037, 20X25 Air Filter Replacement - MERV 13
(FC200E1037)

The Honeywell 20X25 Air Filter Replacement is a MERV 13 rated high efficiency media air cleaner that can be used in all compatible size air ducts plus Honeywell cleaners that require a 20"W x 25"L x 4"D filter. It will also fit all Aprilaire, Space-


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Honeywell FC200E1037, 20X25 Air Filter Replacement - MERV 13
Our Price: $48.99
Retail: $59.99
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Trion 255649-103 Air Bear Media Filter 20x20x5
(255649-103)

Fight air quality problems around your home with the Trion Air Bear 255649-103 replacement air filter media. The 20x20x5 deep pleated design offers greater surface area for a higher capture of airborne particles that contribute to allergies.


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Trion 255649-103 Air Bear Media Filter 20x20x5
As Low As: $28.45
Retail: $36.99
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FiltersFast FFC20205TABM8 Replacement For Trion MERV 8 Filter 20x20x5 2-Pack
(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.


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FiltersFast FFC20205TABM8 Replacement For Trion MERV 8 Filter 20x20x5 2-Pack
Our Price: $42.99
Retail: $50.99
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Honeywell FC40R1003 Return Grille Filter
(FC40R1003)

The Honeywell FC40R1003 a high-efficiency, replacement filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 20x20x4. Genuine Honeywell Part.


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Honeywell FC40R1003 Return Grille Filter
As Low As: $34.95
Retail: $54.99
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3M Filtrete Elite Allergen Home Air Filter 2200
(Elite Allergen)

The 3M Filtrete Elite Allergen Air Filter provides the most advanced, high performance home air filter available today. Also known as the 2200 filter, this filter is 94% effective at capturing large airborne contaminants such as mold spores.


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3M Filtrete Elite Allergen Home Air Filter 2200
Our Price: $29.99
Retail: $35.99
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FiltersFast FFC21235TRNM8 Replacement for Trane 21x23x5 Perfect Fit BAYFTAH23M 2-Pack
(FFC21235TRNM8)

For an economical alternative to the genuine OEM Trane 21x23x5 Perfect Fit BAYFTAH23M Filter, try this FiltersFast Brand 21x23x5 Perfect Fit BAYFTAH23M 2pk.


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FiltersFast FFC21235TRNM8 Replacement for Trane 21x23x5 Perfect Fit BAYFTAH23M 2-Pack
Our Price: $66.00
Retail: $77.99
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FiltersFast FFC26215TRN Replacement for Trane Perfect Fit BAYFTAH26M 21x26x5 2pk
(FFC26215TRN)

These FiltersFast MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These FiltersFast Air Filters specifically replace Trane part number BAYFTAH26M, which is a 21x26x5 Air Filter used in several Trane Air Cleaner

Free shipping within the continental United States!

Out of stock
FiltersFast FFC26215TRN Replacement for Trane Perfect Fit BAYFTAH26M 21x26x5 2pk
Our Price: $94.00
Retail: $199.99
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Honeywell FC200E1029 MERV 13 Air Filter - 16x25x5
(FC200E1029)

The Honeywell FC200E1029 MERV 13 Air Filter - 16x25x5 is a replacement air filter for the Honeywell 16x25 F100 and F200 media air cleaner models. This Honeywell air filter features a MERV 13 rating that helps it remove over 97% of airborne contamina


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Honeywell FC200E1029 MERV 13 Air Filter - 16x25x5
Our Price: $41.39
Retail: $48.99
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Trion Air Bear Home Air Filter 16x25x3, 255649-101
(255649-101)

The Trion Air Bear Media AC Filter 16x25x3 part number 255649-101 is a genuine Trion Air Bear pleated media filter. The 255649101 can be used in Trion models Air Bear TM and Air Bear Cub. Replaces 229990-101 and 229990-001.


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Trion Air Bear Home Air Filter 16x25x3, 255649-101
As Low As: $22.49
Retail: $34.99
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FiltersFast FFC215215TRNM8 Replacement for Trane 21x21.5x5 BAYFTAH21M FLR06072 2-Pack
(FFC215215TRNM8)

This FiltersFast Filter for Trane 21x21.5x5 BAYFTAH21M 2 Pack Model FLR06072 and BAYFTAH21M2 is an economical compatible version of the genuine OEM Trane Perfect Fit 21.5x21x5 Filter.


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FiltersFast FFC215215TRNM8 Replacement for Trane 21x21.5x5 BAYFTAH21M FLR06072 2-Pack
Our Price: $49.95
Retail: $69.99
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Trane BAYFTAH21M2, BAYFTAH21M, FLR06072 Air Filter 21.5x21x5
(BAYFTAH21M2)

The Trane BAYFTAH21M2, BAYFTAH21M, FLR06072 Air Filter 21.5x21x5 21.5x21x5 fits the TFM215B0AH0 Perfect Fit High Efficiency Air Cleaner. This Trane Perfect Fit filter has a MERV 8 rating that helps purify your air and improve overall indoor air.


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Trane BAYFTAH21M2, BAYFTAH21M, FLR06072 Air Filter 21.5x21x5
As Low As: $43.95
Retail: $55.99
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FiltersFast FFC175275TRN Replacement for Trane Perfect Fit BAYFTFR17M 17.5x27x5 2pk
(FFC175275TRN)

These MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These FiltersFast 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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FiltersFast FFC175275TRN Replacement for Trane Perfect Fit BAYFTFR17M 17.5x27x5 2pk
Our Price: $70.99
Retail: $99.99
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FiltersFast FFC21235TRN Replacement for Trane Perfect Fit BAYFTAH23M 21x23.5x5 2pk
(FFC21235TRN)

These MERV 11 Furnace Filters are compatible upgrades over Trane Perfect Fit Air Filters. These FiltersFast Air Filters specifically replace Trane part number BAYFTAH23M or FLR06073, which is a 21x23.5x5 Air Filter used in several Trane Air Cleaner.


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FiltersFast FFC21235TRN Replacement for Trane Perfect Fit BAYFTAH23M 21x23.5x5 2pk
Our Price: $78.95
Retail: $98.99
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Trane Perfect Fit BAYFTAH26M2 FLR06074 MERV 8 26x21x5
(BAYFTAH26M2A)

The Trane / American Standard Perfect Fit BAYFTAH26M2 FLR06074 26x21x5 is a furnace air filter that fits several high efficiency air cleaners from Trane and American Standard.


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Trane Perfect Fit BAYFTAH26M2 FLR06074 MERV 8 26x21x5
As Low As: $46.95
Retail: $59.99
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Trane Perfect Fit BAYFTFR21M2 FLR06070 Filter-21x27x5
(BAYFTFR21M2A)

The Trane Perfect Fit BAYFTFR21M2 FLR06070 Filter Kit- 21x27x5 features a MERV 8 rating for the reduction of dust, dirt, and various allergens in your air, and the improvement of indoor air quality.


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Trane Perfect Fit BAYFTFR21M2 FLR06070 Filter-21x27x5
As Low As: $44.95
Retail: $59.99
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Carrier CMF1620 Replacement for Goodman M0-1056 MERV11, 16x22x5 - 2-Pack
(Goodman M0-1056)

The FiltersFast Brand Goodman M0-1056 MERV11 2-Pack-16x22x5 replacement creates a barrier inside household heating and cooling systems to prevent atmospheric containments from circulating into the air.


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Carrier CMF1620 Replacement for Goodman M0-1056 MERV11, 16x22x5 - 2-Pack
Our Price: $56.99
Retail: $68.99
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FiltersFast FFC21275TRNM8 Replacement for Trane 21x27x5 Perfect Fit BAYFTFR21M - 2-Pack
(FFC21275TRNM8)

The FiltersFast Brand Trane 21x27x5 Perfect Fit BAYFTFR21M Filter is an economical compatible alternative to the genuine OEM Trane 21x27x5 Perfect Fit BAYFTFR21M Filter.


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FiltersFast FFC21275TRNM8 Replacement for Trane 21x27x5 Perfect Fit BAYFTFR21M - 2-Pack
Our Price: $66.00
Retail: $77.99
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FiltersFast 4-inch MERV 8 Pleated Air Filters 3-Pack
(FFM8PLEAT 4)

The FiltersFast 4-inch MERV 8 4"Air Filters 3-pack is compatible with: Aprilaire Space-Gard Trion Air Bear Honeywell and other top name brand air conditioning filters. Usable in residential, commercial, and industrial applications, the


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FiltersFast 4-inch MERV 8 Pleated Air Filters 3-Pack
Our Price: $43.95
Retail: $51.99
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Trane Perfect Fit BAYFTFR17P4 FLR05049 Filter-17.5x27x1
(BAYFTFR17P4A)

The Trane Perfect Fit BAYFTFR17P4 FLR05049 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.


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Trane Perfect Fit BAYFTFR17P4 FLR05049 Filter-17.5x27x1
As Low As: $17.95
Retail: $24.99
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3M Filtrete 600 MPR Pollen Air Filter (Green)
(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 "Green Filter" features electrostatically charged fibers and is ideal for high-velocity..


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3M Filtrete 600 MPR Pollen Air Filter (Green)
Our Price: $11.99
Retail: $14.99
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FiltersFast FFC16253TABM8 Trion MERV 8 16x25x3 Filter 3-Pack
(FFC16253TABM8)

The FiltersFast FFC16253TABM8 Trion MERV 8 16x25x3 Filter compatible MERV 8 filter replacement. This Air Bear Cub Filter is also known as part number FFC16253TABM8.


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FiltersFast FFC16253TABM8 Trion MERV 8 16x25x3 Filter 3-Pack
Our Price: $49.99
Retail: $59.99
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FiltersFast FFC21275TRNM11 Replacement for Trane Perfect Fit BAYFTFR21M 21x27x5 (2 Pack)
(FF-BAYFTFR21M)

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

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
FiltersFast FFC21275TRNM11 Replacement for Trane Perfect Fit BAYFTFR21M 21x27x5 (2 Pack)
Our Price: $90.95
Retail: $109.99
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Filters Fast - Furnace Filters

" Just to express my complete satisfaction with your ordering process and, of course, great pricing. When I need a replacement of refrigerator or HVAC filters, I'll be contacting you again. " - Frank, Corona, CA
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