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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.


Air Filters full product list:


Lennox X8345 PureAir PCO-20C MERV 16 Upgrade Kit
(X8345)

The Lennox X8345 PureAir PCO-20C MERV 16 Upgrade Kit, part number x8345 is meant for your Lennox PureAir PCO-20C air filtration unit. This MERV 16 filter measures 21" x 26" x 4" inches.

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In Stock! Ships in 1 to 2 business days.
Lennox X8345 PureAir PCO-20C MERV 16 Upgrade Kit
Our Price: $279.95
Retail: $343.15
You Save 18%!

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Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack 4-Pack
(98N42)

The Lennox 98N42 is a MERV 8 furnace filter 4-pack for your home. This furnace filter will protect your home from unhealthy contaminants and help keep your heating and cooling bill low.


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Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack
Our Price: $39.96

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FiltersFast 1" Air Filters MERV 13 Replacement for Aerostar 1" MERV 13 6-Pack
(FFM13 6pk AS)

The FiltersFast 1" Air Filters MERV 13 6-Pack is the compatible replacement for the Aerostar 1" MERV 13 Air Filters.


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FiltersFast 1" Air Filters MERV 13 Replacement for Aerostar 1"  MERV 13 6-Pack
Our Price: $59.95
Retail: $69.99
You Save 14%!

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FiltersFast 1" Air Filters MERV 8 Replacement for Nordic Pure MERV 8 6-Pack
(FFM8 6pk ND)

Take advantage of the savings and breathe better with the FiltersFast 1" Air Filters MERV 8 With Pleats 6-Pack.


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FiltersFast 1" Air Filters MERV 8 Replacement for Nordic Pure MERV 8 6-Pack
Our Price: $43.95
Retail: $49.99
You Save 12%!

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Trane Perfect Fit BAYFTFR24M2A Filter - 24.5x27x5 2-Pack
(BAYFTFR24M2A)

The Trane Perfect Fit BAYFTFR24M2A Filter - 24.5x27x5 fits the TFM245B0FR0 Perfect Fit High Efficiency Air Cleaner and easily slides in for quick use. This Trane Perfect Fit filter measures approximately 24.5" x 27" x 5" and has a MERV 8 rating for


Special Order. Ships in 12 days.
Trane Perfect Fit BAYFTFR24M2A Filter - 24.5x27x5
Our Price: $103.46

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3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1
(Filtrete-Odor-14301)

The 3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1 features activated carbon technology along with electrostatically charged fibers to provide high performance air filtration in your home. This Filtrete air filter can remove common odors such as


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3M Filtrete Home Odor Furnace Filter - 14 x 30 x 1
Our Price: $21.61
Retail: $29.99
You Save 28%!

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Trane BAYFTAH26P4A Pleated 1 inch Filter 26x21x1 4-Pack
(BAYFTAH26P4A)

The Trane BAYFTAH26P4A Pleated 1 inch Filter 26x21x1 is a furnace air filter that fits several electronic and media air cleaner models from Trane. This Trane air filter boasts a MERV 8 rating for the reduction of particulates in your air, including


Special Order. Ships in 11 days.
Trane BAYFTAH26P4A Pleated 1 inch Filter 26x21x1
Our Price: $215.20

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FiltersFast ROHAPF96M Replacement for Holmes HAPF96
(ROHAPF96M)

The Holmes HAPF96 is a holmes air filter for your Holmes air purifier. This carbon prefilter helps to remove large particles and odors in your homes air. This air purifier pre filter also protects your air purifiers HEPA filter.


In Stock! Ships in 4 to 5 business days.
FiltersFast ROHAPF96M Replacement for Holmes HAPF96
Our Price: $9.00
Retail: $14.99
You Save 40%!

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Trion Herrmidifier 1220 Humidifier Filter
(7098 11 R)

The Trion Herrmidifier 1220 Humidifier Filter Replacement is a replacement humidifier filter for the Herrmidifier Model 465-C1 and Herrmidifier 465-1. This filter is very dependable and reliable.


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Trion Herrmidifier 1220 Humidifier Filter
Our Price: $8.01
Retail: $9.99
You Save 20%!

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Carrier 356066-0601 EACBAXCC0020 PreFilter 2pk 2-Pack
(356066-0601)

The Carrier 356066-0601 Pre Filter is a genuine OEM factory replacement pre filter for compatible Carrier air cleaners and Bryant air cleaners, especially the Carrier EACBAXCC0020 Electronic Air Cleaner.


Special Order. Ships in 10 days.
Carrier 356066-0601 EACBAXCC0020 PreFilter 2pk
Our Price: $70.02

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FiltersFast Brand White Rodgers F825-0549 MERV13
(FFC20265WRM13)

The FiltersFast Brand White Rodgers F825-0549 MERV13 2Pack is a compatible alternative that's a part of the White Rodgers F825 Series residential air cleaner replacement filters.


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FiltersFast Brand White Rodgers F825-0549 MERV13
Our Price: $80.00
Retail: $100.00
You Save 20%!

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BestAir R14ALLM Replacement For Kenmore 83125 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.
BestAir R14ALLM Replacement For Kenmore 83125 2-Pack
Our Price: $17.99
Retail: $19.99
You Save 10%!

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Filtrete Home Odor Air Filter- 14 x 20 x 1
(Filtrete-Odor-14201)

The Filtrete Home Odor Air Filter- 14 x 20 x 1 effectively removes common odors in your home while also trapping airborne contaminants. This odor filter is constructed with activated carbon to remove odors like pet, smoke, cooking, mildew, and clean


In stock! Ships in 1 business day.
Filtrete Home Odor Air Filter- 14 x 20 x 1
Our Price: $21.61
Retail: $29.99
You Save 28%!

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FiltersFast A10PR R Replacement for Carrier HUMBBSBP2312-A
(C HUMBBSBP2312-A R)

The Carrier HUMBBSBP2312-A Water Panel Filter is a replacement water panel filter for the HUMCCSBP2312-A and HUMBBSBP2312-A Carrier model humidifiers. This evaporator pad measures approximately 9.5" x 10" x 1.5" and generates humidity in the home th


In stock! Ships in 1 business day.
FiltersFast A10PR R Replacement for Carrier HUMBBSBP2312-A
As Low As: $6.99
Retail: $10.99
You Save 36%!

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Lennox X8314 MERV 16 Expandable Filter Replacement for PMAC-20C
(X8314)

The Lennox X8314 is the correct replacement for the following air cleaner: Lennox PMAC-20C Healthy Climate Air Cleaner

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Lennox X8314 MERV 16 Expandable Filter Replacement for PMAC-20C
Our Price: $79.95
Retail: $114.99
You Save 30%!

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GE WB02X10700 Compatible Oven Range Hood Filter
(OEMRHP0808)

This is an Oven Hood Range Filter (OEMRHP0808) made by American Metal Filter Company which is a compatible replacement range vent hood filter for the GE WB02X10700 range filter. This oven range hood filter is a combination filter composed of carbon


In Stock! Ships in 6 to 7 business days.
GE WB02X10700 Compatible Oven Range Hood Filter
Our Price: $9.99

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FiltersFast Replacement For Trane BAYFTFR14M2 14.5x27x5 Air Filter 2-Pack
(FFC145275TRNM8)

The Trane BAYFTFR14M2 Air Filter is a replacement furnace air filter that fits the TFM145BOFRO Perfect Fit High Efficiency Air Cleaner. This Trane filter is MERV 8 rated to reduce airborne particulates and improve indoor air quality.


In Stock! Ships in 2 to 3 business days.
FiltersFast Replacement For Trane BAYFTFR14M2 14.5x27x5 Air Filter
Our Price: $56.99

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FiltersFast 20x25x4 MERV8 Replacement for GeneralAire FP2025 3-Pack
(4526)

The FiltersFast 20x25x4 MERV8 is the compatible replacement for the GeneralAire FP2025.


In Stock! Ships in 2 to 3 business days.
FiltersFast 20x25x4 MERV8 Replacement for GeneralAire FP2025 3-Pack
Our Price: $43.95
Retail: $49.99
You Save 12%!

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Goodman G13MU1625 Replacement Air Filters 3-Pack
(G1-1056)

The Goodman G13MU1625 Replacement Air Filters uses both charged fibers and traditional mechanical filtration principles.

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Special Order. Ships in 3 days.
Goodman G13MU1625 Replacement Air Filters 3-Pack
Our Price: $249.99
Retail: $299.99
You Save 17%!

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BestAir R14ALLM Replacement For Kenmore 83237 2-Pack
(KENMORE 83237 1 R)

The Kenmore 83237 is the correct replacement for the following air cleaners: Kenmore Air Cleaners


In stock! Ships in 1 business day.
BestAir R14ALLM Replacement For Kenmore 83237 2-Pack
Our Price: $17.99
Retail: $19.99
You Save 10%!

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BestAir R14ALLM Replacement For Vicks CF1 Carbon PreFilter 2-Pack
(VICKS CF1 1 R)

The Vicks CF1 Carbon PreFilter 2-Pack helps control odors and other impurities within the air. The Vicks CF1 Carbon PreFilter should be replaced every 3 months, depending upon air quality.


In stock! Ships in 1 business day.
BestAir R14ALLM Replacement For Vicks CF1 Carbon PreFilter 2-Pack
Our Price: $17.99
Retail: $19.99
You Save 10%!

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Honeywell FC40R1052 16x20 Return Air Grille Filter 5-Pack
(FC40R1052)

The Honeywell FC40R1052 is a high-efficiency, replacement AC filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 16x20x4. Genuine Honeywell Part.


In Stock! Ships in 1 to 2 business days.
Honeywell FC40R1052 16x20 Return Air Grille Filter
Our Price: $259.95

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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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In Stock! Ships in 13 to 14 business days.
Trion Air Bear Supreme 20x20 Media Air Cleaner
Our Price: $111.99
Retail: $120.74
You Save 7%!

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Trion Duct Mount HE Plus 1400, 455601-001C 16"x25"
(455601-001C)

The Trion Duct Mount HE Plus 1400, 455601-001C is an Electronic Whole House Air Purification System. The HE Plus 1400 includes an elctronic air flow sensor. Genuine Trion Fedders product. Learn how the HE Plus 1400 can help you live a healthy life..

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In Stock! Ships in 3 to 4 business days.
Trion Duct Mount HE Plus 1400, 455601-001C 16"x25"
Our Price: $371.95
Retail: $440.00
You Save 15%!

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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 10 days.
Carrier 356066-1202 Charcoal Filter for EACBAXCC00
Our Price: $127.24

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Filters Fast - Air Filters

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