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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.


Air Filters full product list:


FiltersFast FFC20205TABM8 20x20x5 Replacement for Skuttle 000-0448-003 2-Pack
(000-0448-003 FF)

Filtersfast 20x20x5 for Skuttle 000-0448-003 Air Cleaner Filters measures 20"x20"x5", & dramatically reduces airborne particles such as dust, dust mites, pollen, mold spores, pet dander & other allergens


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FiltersFast FFC20205TABM8 20x20x5 Replacement for Skuttle 000-0448-003 2-Pack
Our Price: $42.99
Retail: $50.99
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FiltersFast FFC24265TRNM13 Replacement for Trane BAYFTFR24M, 24x26x5 Perfect Fit - 2-Pack
(FFC24265TRNM13)

FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M

Free shipping within the continental United States!

In Stock! Ships in 2 to 3 business days.
FiltersFast FFC24265TRNM13 Replacement for Trane BAYFTFR24M, 24x26x5 Perfect Fit - 2-Pack
Our Price: $80.95
Retail: $139.99
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Lennox Y6616 PCO3-14-16 PureAir Annual Maintenance Kit 612988-03
(Y6616)

Lennox Y6616 PCO3-14-16 PureAir Annual Maintenance Kit 612988-03 has everything you need for your annual service.

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Lennox Y6616 PCO3-14-16 PureAir Annual Maintenance Kit 612988-03
Our Price: $165.95
Retail: $195.99
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FiltersFast FFC20265WR Replacement for White Rodgers F825-0549 20x26x5 2Pack
(F825-0549)

The FiltersFast Compatible 20x26x5 MERV 11 Air Filter can be used as an upgrade for White Rodgers part number F825-0549. Upgrade your White Rodgers Media Filter today and get a better filter for the same price as the original manufacturer's brand!


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FiltersFast FFC20265WR Replacement for White Rodgers F825-0549 20x26x5 2Pack
Our Price: $55.95
Retail: $79.99
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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


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Filtrete Home Odor Air Filter- 14 x 20 x 1
Our Price: $21.61
Retail: $29.99
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GeneralAire 4365 Replacement for GeneralAire 4350 MERV 10 Filter
(4350)

The GeneralAire GA100A03 16x20 MERV10 Filter Media is used on Honeywell F25 Series, F35 Series, F100 Series & F150 Series Media Style Air Cleaners, as well as Honeywell FC100A1003, F100F1004, F100B1008, F100F2028, and F150E1000 Air Cleaners.


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GeneralAire 4365 Replacement for GeneralAire 4350 MERV 10 Filter
Our Price: $34.99
Retail: $41.99
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FiltersFast A10PR R Replacement for Lennox WB2-1
(Lennox WB2-12 R)

The FiltersFast A10PR R Humidifier Water Panel Filter is the correct replacement for the Lennox WB2-1 and the following filters:


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FiltersFast A10PR R Replacement for Lennox WB2-1
As Low As: $6.99
Retail: $19.99
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Carrier 356066-0602 Pre Filter for EACBAXCC0014
(356066-0602)

The Carrier 356066-0602 Pre Filter is a genuine OEM factory replacement pre filter for compatible Carrier air cleaners and Bryant air cleaners, especially the Carrier EACBAXCC0014 Electronic Air Cleaner.


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Carrier 356066-0602 Pre Filter for EACBAXCC0014
Our Price: $34.95
Retail: $41.99
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FiltersFast FFC16205HONM13 Replacement for Honeywell FC100A1003
(FFC16205HONM13)

The FiltersFast FFC16205HONM13 compatible air filter replaces the Honeywell FC100A1003 and effectively reduces indoor air contaminants using a deep pleated filter media.


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FiltersFast FFC16205HONM13 Replacement for Honeywell FC100A1003
Our Price: $57.95
Retail: $68.99
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FiltersFast FFC21275TRNM13 Replacement for Trane BAYFTFR21M, 21x27x5 Perfect Fit - MERV13, 2-Pack
(FFC21275TRNM13)

FiltersFast Brand Trane 21x27x5 Perfect Fit BAYFTFR21M M13 x2 is an economical compatible version of the genuine Trane 21x27x5 Perfect Fit Air Filter.

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In Stock! Ships in 3 to 4 business days.
FiltersFast FFC21275TRNM13 Replacement for Trane BAYFTFR21M, 21x27x5 Perfect Fit - MERV13, 2-Pack
Our Price: $111.00
Retail: $139.99
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Hunter 30936 QuietFlo HEPA Purifier Filter
(30936)

The Hunter 30936 QuietFlo HEPA Purifier Filter is an electrostatically-charged filter that captures 99.97% of particles as small as 0.3 microns.


Special Order. Ships in 6 days.
Hunter 30936 QuietFlo HEPA Purifier Filter
Our Price: $58.95
Retail: $299.99
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Honeywell FC40R1136 18x24 Return Grille Air Filter 5-Pack
(FC40R1136)

The Honeywell FC40R1136 is the correct replacement for the following air return grille filters: Most air return filter grilles The Honeywell FC40R1136 18x24 Return Grille Air Filter measures 18 inches by 24 inches. This Honeywell FC40R1136 is


In Stock! Ships in 15 to 16 business days.
Honeywell FC40R1136 18x24 Return Grille Air Filter
Our Price: $165.90

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Lennox X2660 Humidifier Water Panel Filter
(X2660)

The Lennox X2660 Humidifier Water Panel Filter is a replacement water panel filter for several Lennox Healthy Climate model humidifiers. This evaporator pad is also compatible with several humidifier models from Aprilaire. This humidifier filter rep


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Lennox X2660 Humidifier Water Panel Filter
Our Price: $14.99
Retail: $61.99
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Universal Carbon Range Hood Filter - Trim to Fit
(RYM1518C)

This Universal Carbon Oven Range Hood Filter (RYM1518C) is a trim to fit oven range oven carbon filter for use with many over the range oven hoods (ducted and non-ducted), microwave ovens, and other similar applications requiring odor elimination. I


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Universal Carbon Range Hood Filter - Trim to Fit
Our Price: $20.99
Retail: $24.99
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Honeywell FC100A1029 Replacement for Honeywell FC35A1001 - 16x25x5
(FC35A1001)

The Honeywell FC35A1001 is the correct replacement filter for the following air cleaners: Honeywell 16x25 F100 Media Air Cleaners Honeywell 16x25 F200 Media Air Cleaners The Honeywell FC35A1001 Replacement Air Filter 16x25x5 is a genuine Hone


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Honeywell FC100A1029 Replacement for Honeywell FC35A1001 - 16x25x5
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Honeywell FC40R1144 Return Air Filter - 20x24
(FC40R1144)

The Honeywell FC40R1144 Return Air Filter - 20x24 is a replacement air filter that mounts in most return filter grilles. The Honeywell return air grille filter features four inches of depth, which provides a higher efficiency than standard one inch


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Honeywell FC40R1144 Return Air Filter - 20x24
Our Price: $50.25
Retail: $69.99
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Hunter 30931 HEPAtech Purifier Filter
(30931)

The Hunter 30931 HEPAtech Purifier Filter is an electrostatically-charged filter that captures 99.97% of particles as small as 0.3 microns.


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Hunter 30931 HEPAtech Purifier Filter
Our Price: $40.75
Retail: $49.99
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FiltersFast MERV 8 Pleated 1" Panel Filter 6-Pack
(FFM8PLEAT1)

The FiltersFast MERV 8 Pleated 1" Panel Filter 6-Pack is a set of replacement air filters for ideal use as service pleats or prefilters in commercial HVAC systems or industrial air cleaners. These pleated media filters arrive in a 6 pack and are ef


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FiltersFast MERV 8 Pleated 1" Panel Filter 6-Pack
Our Price: $39.95
Retail: $49.99
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Duracraft 5010 Replacement for Honeywell 10590 HEPA Filter
(Honeywell 10590 R)

The Honeywell 10590 HEPA Filter Replacement is a replacement air filter for use with several Honeywell and Duracraft air cleaner models. This HEPA filter measures approximately 10 7/8" OD x 6 1/4" ID x 4" H and removes up to 99.97% of airborne parti


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Duracraft 5010 Replacement for Honeywell 10590 HEPA Filter
Our Price: $30.99
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BestAir D11-C Replacement for Honeywell HC-811 Humidifier Filter
(Honeywell HC-811 R)

The BestAir D11-C humidifier wick filter will remove minerals and pollutants from the water, preventing them from being released into your homes air.


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BestAir D11-C Replacement for Honeywell HC-811 Humidifier Filter
Our Price: $7.99
Retail: $9.99
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Trion Air Bear 259112-103 Supreme Filter 20x20x5 MERV11
(259112-103)

The Trion Air Bear Supreme Filter 20x20x5 MERV11 is an Air Bear filter with a MERV 11 rating and built-in frame strength. This genuine Air Bear filter boasts pre-applied gasketing on the pre-assembled filter in order to prevent air bypass. The MERV


Out of stock
Trion Air Bear 259112-103 Supreme Filter 20x20x5 MERV11
Our Price: $47.99
Retail: $56.99
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Hunter 30962 QuietFlo HEPA Purifier Filter
(30962)

The Hunter 30962 QuietFlo HEPA Purifier Filter is an electrostatically-charged filter that captures 99.97% of particles as small as 0.3 microns. This is a true HEPA filter and a genuine OEM Hunter part.


Special Order. Ships in 6 days.
Hunter 30962 QuietFlo HEPA Purifier Filter
Our Price: $44.99
Retail: $59.99
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Hamilton EP-036 Humidifier Evaporator Pad
(EP-036)

The Hamilton EP-036 is the correct replacement for the following humdifier: Hamilton 10F flow through humidifier The Hamilton Humidifier Evaporator Pad EP-036 is the part of the humidifier that collects moisture and then distributes it into th


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Hamilton EP-036 Humidifier Evaporator Pad
Our Price: $14.99
Retail: $19.99
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FiltersFast 1" MERV 11 Replacement For Honeywell 14x14x1 MERV 11 6-Pack
(50049536-003)

The Honeywell 14x14x1 MERV 11 Air Filter- TruDRY DR90 is a replacement filter for the Honeywell TrueDry DR90 Dehumidification System. This Honeywell air filter measures 14" x 14" x 1" and has a MERV 11 rating for the reduction of airborne contaminan


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FiltersFast 1" MERV 11 Replacement For Honeywell 14x14x1 MERV 11 6-Pack
Our Price: $53.50
Retail: $62.99
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GeneralAire F1021, 4572 MERV 13 16x25x4 Media Filter
(4572)

The General Aire F1021 MERV 13 16x25x4 Media Filter is the correct replacement filter for the GeneralAir TERSus1200, and removes airborne particles and allergens as small as 0.3 micron to improve indoor the air quality of your home dramatically.


Special Order. Ships in 14 days.
GeneralAire F1021, 4572 MERV 13 16x25x4 Media Filter
Our Price: $53.74
Retail: $63.99
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Filters Fast - Air 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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