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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:


Aprilaire 401 Replacement Air Filter for 2400 Air Cleaner
(Aprilaire 401)

This genuine Spacegard Aprilaire 2400 Filter Media Replacement, also known as the Aprilaire 401 Filter, is the replacement filter used in the Spacegard Aprilaire 2400 Air Cleaner. The Aprilaire 401 Air Filter / Aprilaire 2400 Replacement Filter is a


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Aprilaire 401 Replacement Air Filter for 2400 Air Cleaner
As Low As: $30.95
Retail: $49.99
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Aprilaire 10 for models 110, 220, 500, 500A, 500M, 550, 550A, 558
(Aprilaire 10)

APRILAIRE 10 REPLACEMENT WATER PANEL FOR APRILAIRE WHOLE HOUSE HUMIDIFIER MODELS 110, 220, 500, 500A, 500M, 550, 550A, 558


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Aprilaire 10 for models 110, 220, 500, 500A, 500M, 550, 550A, 558
As Low As: $15.95
Retail: $22.99
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Honeywell HAC-504 Replacement Humidifier Filter
(HAC-504)

The Honeywell HAC-504 replacement HEPA cool mist humidifier filter reduces contaminants and minerals in your water to prevent airborne pollution and humidifies the air. The ProTec antimicrobial treatment prevents the growth of bacteria.


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Honeywell HAC-504 Replacement Humidifier Filter
Our Price: $16.95
Retail: $19.99
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Aprilaire 45 Humidifier Water Panel Filter - Model 400, 2-Pack
(Aprilaire 45)

Never run out of filters during the season with the Aprilaire 45 replacement 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 Humidifier Water Panel Filter - Model 400, 2-Pack
As Low As: $24.95
Retail: $39.99
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FiltersFast FFRAF-002 Replacement for Whirlpool W10311524
(FFRAF-002)

Keep your fridge smelling fresh with the FiltersFast FFRAF-002 compatible refrigerator air filter that is a money-saving alternative to the Whirlpool W10311524 . The carbon filter media helps reduce common food odors.


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FiltersFast FFRAF-002 Replacement for Whirlpool W10311524
As Low As: $7.95
Retail: $12.99
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AirCare 1051 Evaporative Humidifier Air Filter
(1051SS)

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


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AirCare 1051 Evaporative Humidifier Air Filter
As Low As: $15.95
Retail: $24.99
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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: $99.95
Retail: $149.99
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Lennox X6673 MERV 11 HCF20-11 HCF20-16 Filter Replacement-20x25x5
(X6673)

This Lennox X6673 MERV 11 HCF20-11 HCF20-16 Furnace Filter Replacement is an efficient alternative to one-inch filters. This Lennox Air Filter Media is a suitable replacement for Air Cleaners that accept a 20X25X5 filter media.


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Lennox X6673 MERV 11 HCF20-11 HCF20-16 Filter Replacement-20x25x5
Our Price: $39.95
Retail: $75.99
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Honeywell FC100A1029 Media Furnace Filter- 16 x 25
(FC100A1029)

Improve the quality of air around your home with the Honeywell FC100A1029 replacement air filter media. The deep pleated 5-inch filter design features a greater surface area to improve air flow during the life of the product.


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Honeywell FC100A1029 Media Furnace Filter- 16 x 25
Our Price: $39.00
Retail: $46.99
You Save 17%!

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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: $14.95
Retail: $22.99
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FiltersFast FFFAPF02 Replacement for 3M Filtrete FAPF02
(FFFAPF02)

The FiltersFast Filtrete FFFAPF02 Compatible Air Filter is a compatible replacement filter to 3M Filtrete's FAPF02 Air Filter and as such is a replacement filter for Filtrete's Ultra Clean Air Purifier model FAP02-RS.


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FiltersFast FFFAPF02 Replacement for 3M Filtrete FAPF02
As Low As: $16.95
Retail: $24.95
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BestAir H85 Replacement for Holmes HWF62 Humidifier Filter - HM1280, HM1700
(HWF62)

The BestAir H85's design and technology features a built-in protection that inhibits the growth of bacteria, mold, and mildew that cause bad odors and stains.


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BestAir H85 Replacement for Holmes HWF62 Humidifier Filter - HM1280, HM1700
As Low As: $10.95
Retail: $14.99
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BestAir HW14 Replacement for Honeywell HC-14N
(HW14)

The RPS Best Air HW14 compatible humidifier filter is a cost-saving alternative to the Honeywell oem filter wick. The HW14 is compatible with the Honeywell Quietcare HCM-6009


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BestAir HW14 Replacement for Honeywell HC-14N
As Low As: $14.95
Retail: $24.99
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Honeywell Enviracaire HC26E1004 Humidifier Filter
(HC26E 1004)

The Honeywell Enviracaire HC26E 1004 replacement genuine humidifier filter features Agion antimicrobial protection to prevent bacterial growth.


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Honeywell Enviracaire HC26E1004 Humidifier Filter
As Low As: $18.45
Retail: $29.99
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FiltersFast 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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FiltersFast MERV 8- 2" Furnace Air Filters 6-Pack
Our Price: $69.95
Retail: $79.99
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Carrier GAPCCCAR1625 Air Filter for GAPAAXCC1625
(GAPCCCAR1625)

The Carrier GAPCCCAR1625 Air Filter is an air purifier filter replacement for the Carrier GAPAAXCC1625 GAPA Infinity Air Purifier. It will also fit compatible units by Bryant, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air

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Carrier GAPCCCAR1625 Air Filter for GAPAAXCC1625
Our Price: $86.95
Retail: $101.99
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FiltersFast A35WPR Replacement for Aprilaire 600
(A35WPR)

The FiltersFast A35WPR 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 600
As Low As: $12.45
Retail: $15.99
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Trion Air Bear Filter 20 x 25 x 5 - 255649-102
(255649-102)

The Trion Air Bear Media AC Filter 20x25x5 part number 255649-102 is a genuine Trion Air Bear pleated media filter. The 255649102 replaces part numbers 229990-002, 229990-102, and can be used in Trion Air Bear air cleaners. Genuine Trion part.


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Trion Air Bear Filter 20 x 25 x 5 - 255649-102
Our Price: $29.99
Retail: $34.99
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FiltersFast FFC16255TABM8 Replacement for Trion 16x25x5 Air Bear Filters MERV8 - 2-Pack
(FFC16255TABM8)

The FiltersFast Brand Trion 16x25x5 Air Bear Filters Merv8 Furnace Filter is an economical alternative to the OEM Trion 16x25x5 Air Bear Media AC Filter 255649-105.


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FiltersFast FFC16255TABM8 Replacement for Trion 16x25x5 Air Bear Filters MERV8 - 2-Pack
Our Price: $39.95
Retail: $49.99
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FiltersFast 2" MERV 11 Air Filters 6-Pack
(FFM1162)

The FiltersFast 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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FiltersFast 2" MERV 11 Air Filters 6-Pack
Our Price: $84.95
Retail: $99.99
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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.


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Honeywell PopUp Collapsable Air Filter - MERV 11
Our Price: $41.95
Retail: $49.99
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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: $18.95
Retail: $29.99
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Honeywell FC100A1011 20"x20" Media AC Filter Genuine Part
(FC100A1011)

The Honeywell FC100A1011 20"x20" Media AC Filter is a high efficiency Media Air Filter that can be used in Honeywell 20 x 20 Air Cleaners. Genuine Honeywell Part.


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Honeywell FC100A1011 20"x20" Media AC Filter Genuine Part
As Low As: $31.95
Retail: $49.99
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3M Filtrete 1000 MPR Allergen Defense Air Filter (Red)
(Micro Allergen)

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


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3M Filtrete 1000 MPR Allergen Defense Air Filter (Red)
Our Price: $23.95
Retail: $29.99
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FiltersFast FFC162766SGMM13 Replacement for Aprilaire 2400 MERV13
(FFC162766SGMM13)

The FiltersFast Brand Aprilaire SpaceGard 2400 MERV 13 2-Pack Air Filter is a compatible filter replacement for the Aprilaire SpaceGard 2400 Air Cleaner System.


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FiltersFast FFC162766SGMM13 Replacement for Aprilaire 2400 MERV13
Our Price: $71.90
Retail: $99.99
You Save 28%!

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