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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 FFFAPF03 Replacement for 3M Filtrete FAPF03
(FFFAPF03)

The FiltersFast Filtrete FAPF03 Compatible Air Filter is a compatible filter to 3M Filtrete FAPF03 Air Filter, and as such is a replacement filter for Filtrete's Ultra Clean Air Purifier model FAP03-RS.


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FiltersFast FFFAPF03 Replacement for 3M Filtrete FAPF03
As Low As: $16.99
Retail: $39.99
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FiltersFast Brand Trane 17.5x27x5 BAYFTFR17M 2-Pack
(FFC175275TRNM8)

The FiltersFast Brand Trane 17.5x27x5 BAYFTFR17M 2-Pack Filter is a compatible version of the genuine OEM Trane Perfect-Fit BAYFTFR17M.


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FiltersFast Brand Trane 17.5x27x5 BAYFTFR17M 2-Pack
Our Price: $49.99
Retail: $70.00
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Aprilaire 10 - Aprilaire 500 Water Panel Filter
(Aprilaire 10)

The Aprilaire 10 replacement humidifier water panel filter is a key component that works to generate the humidity in whole house humidifier systems.


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Aprilaire 10 - Aprilaire 500 Water Panel Filter
As Low As: $15.49
Retail: $20.99
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FiltersFast Brand Honeywell FC100A1037 20x25x5, 2-pack
(FFC20255HON)

The FiltersFast Brand Honeywell FC100A1037 20x25x5 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


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FiltersFast Brand Honeywell FC100A1037 20x25x5, 2-pack
Our Price: $50.90
Retail: $75.00
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Aprilaire 45 - 400 Humidifier Panel Filter 2-Pack
(Aprilaire 45)

Never run out of filters during the season with the Aprilaire 45 replacement cool mist humidifier water panel comes in a convenient 2-pack. The Aprilaire humidifier pad is the key component for generating humidity in your Aprilaire 400 humidifier.


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Aprilaire 45 - 400 Humidifier Panel Filter 2-Pack
As Low As: $24.95
Retail: $39.99
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FiltersFast Air Filters 2" MERV 13, 6-Pack
(FFAFM13)

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

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FiltersFast Air Filters 2" MERV 13, 6-Pack
Our Price: $90.99
Retail: $149.99
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GeneralAire 990-13 Evaporator Filter Pad - 7002
(7002)

The Generlaire 900-13 replacement humidifier pad is also known as the General Aire 7002. The 900-13 is manufactured for use in your GeneralAire series humidifier. This GeneralAire evaporator pad will draw water into it, then release fresh evaporatio


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GeneralAire 990-13 Evaporator Filter Pad - 7002
Our Price: $16.90
Retail: $29.95
You Save 44%!

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Air Care 1051 Tabletop Air Purifier Filter
(1051SS)

The Essick Air 1051 is a two stage air cleaner filter for your Bemis air purifier. These air purifiers remove 97% of dust, allergens and bacteria from your homes air. The tabletop air cleaner filter will keep your air purifier working at its best by


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Air Care 1051 Tabletop Air Purifier Filter
As Low As: $14.99
Retail: $23.99
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FiltersFast A35WPR Replacement for Aprilaire A35WPR, 600
(A35WPR)

The FiltersFast Brand Aprilaire A35WPR Water Panel 600 replacement humidifier filter is an evaporator panel that delivers moisture throughout the air in your home.


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FiltersFast A35WPR Replacement for Aprilaire A35WPR, 600
As Low As: $11.45
Retail: $14.99
You Save 24%!

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Frigidaire PAULTRA Refrigerator Air Filter
(PAULTRA)

The Frigidaire PureAir Ultra Refrigerator Air Filter is a refrigerator air filter that eliminates foul odors from your refrigerator and freezer. Keep your fridge free of food smells like onion, garlic, and fish with this long lasting air filter. Thi


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Frigidaire PAULTRA Refrigerator Air Filter
As Low As: $13.95
Retail: $19.99
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Lennox X6670 MERV 11 Pleated Filter Media-16x25x5
(X6670)

This Lennox X6670 Fir Filter Media is able to capture particles as small as 0.3 microns. This Lennox Pleated Filter Media offers greater dust-holding ability.


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Lennox X6670 MERV 11 Pleated Filter Media-16x25x5
As Low As: $29.95
Retail: $39.95
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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: $37.00
Retail: $39.95
You Save 7%!

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FiltersFast Brand Trane 21x26x5 Perfect Fit BAYFTAH26M 2-Pack
(FFC26215TRNM8)

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


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FiltersFast Brand Trane 21x26x5 Perfect Fit BAYFTAH26M 2-Pack
Our Price: $51.00
Retail: $70.00
You Save 27%!

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FiltersFast Aprilaire SpaceGard 2200 2250 Air Filter MERV 13
(FFC20256SGM13)

The FiltersFast Aprilaire SpaceGard 2200 Air Filter MERV 13 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


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FiltersFast Aprilaire SpaceGard 2200 2250 Air Filter MERV 13
Our Price: $74.00
Retail: $80.00
You Save 8%!

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TopTech TT-FM-2025 Techpure 20x25x4 MERV 11 Filter
(TT-FM-2025)

The TopTech TT-FM-2025 QwikBox 20x25x4 MERV 11 Filter removes many allergens, dust, pollen and other airborne pollutants.


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TopTech TT-FM-2025 Techpure 20x25x4 MERV 11 Filter
Our Price: $32.95
Retail: $39.99
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3M Filtrete Micro Allergen Home Air Filter 6-Pack Red
(Red 6-Pack)

The Filtrete Micro Allergen Air Filter blows away the competition when it comes to performance and filtration. The Filtrete "Red" Series Filter features 3M patented, electrostatically charged fibers which attract and retain microscopic particles.

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3M Filtrete Micro Allergen Home Air Filter 6-Pack Red
Our Price: $117.99
Retail: $159.99
You Save 26%!

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3-Pack Trion Air Bear 259112-105 Cub Filter 16x25x5 MERV 11
(259112-105 3pack)

The 3-Pack Trion Air Bear Cub Filter 16x25x5 MERV 11 is a replacement filter pack for your Air Bear whole house air cleaner. These Trion Air Bear Cub filters trap common air pollutants inside of the filter, which help allow air to flow through the s


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3-Pack Trion Air Bear 259112-105 Cub Filter 16x25x5 MERV 11
Our Price: $68.99
Retail: $84.99
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Honeywell HC-888 Replacement Humidifier Filter
(HC-888)

The Honeywell HC-888 Humidifier Filter Replacement is a genuine Honeywell filter. This HC888 humidifier filter reduces waterborne contaminants and minerals in your water.


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Honeywell HC-888 Replacement Humidifier Filter
Our Price: $12.99
Retail: $14.99
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Honeywell FC100A1003 16x20x5 Pleated Air Filter
(FC100A1003)

The Honeywell FC100A1003 16"x20" Media AC Filter can be used with Honeywell 16 x 20 Air Cleaners including the Honeywell F100F1004, F100B1008, F150E1000, F100F2028, and others. Genuine Honeywell Part.


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Honeywell FC100A1003 16x20x5 Pleated Air Filter
As Low As: $30.99
Retail: $49.99
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FiltersFast D88 R Replacement For Honeywell HC888 Humidifier Wick Filter
(D88)

The HC888 Humidifier Replacement Filter Wick is also referred to as the D88, and helps your humidifier run at peak performance.The humidifier wick filter helps water move at a slower pace through the humidifier, allowing the maximum amount of water


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FiltersFast D88 R Replacement For Honeywell HC888 Humidifier Wick Filter
Our Price: $6.99
Retail: $9.99
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FiltersFast Brand Honeywell FC100A1011 20x20x5, 2-Pack
(FFC20205HON)

The FiltersFast Brand 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!


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FiltersFast Brand Honeywell FC100A1011 20x20x5, 2-Pack
Our Price: $50.90
Retail: $69.99
You Save 27%!

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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: $27.99
Retail: $29.99
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FiltersFast Replacement For Aprilaire Space Gard 2200 20x25x6
(FFC20256SG)

The FiltersFast FFC20256SG is the correct replacement for the Aprilaire Space Gard 20x25x6.


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FiltersFast Replacement For Aprilaire Space Gard 2200 20x25x6
Our Price: $60.99
Retail: $69.99
You Save 13%!

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TopTech TT-FM-2020 TechPure 20x20x4 MERV 11 Filter
(TT-FM-2020)

The TopTech TT-FM-2020 TechPure 20x20x4 MERV 11 Filter removes many allergens, dust, pollen and other airborne pollutants.


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TopTech TT-FM-2020 TechPure 20x20x4 MERV 11 Filter
Our Price: $32.95
Retail: $39.99
You Save 18%!

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BestAir CBW9 Replacement For Bionaire 900 2-Pack
(CBW9)

The 900 Humidifier Filters Two-Pack, is a humidifier wick filter that works in your Bionaire Humidifier. The humidifier filter wick works with your Bionaire humidifier to produce the best humidified air quality for your home. These Bionaire


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BestAir CBW9 Replacement For Bionaire 900 2-Pack
As Low As: $12.99
Retail: $14.99
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