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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.


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Air Filters product list


RPS R14ALLM Replacement For Pollenex FP1000 Carbon PreFilter 2-Pack
(POLLENEX FP1000 R)

The Pollenex FP1000 is the correct replacement for the following air cleaners: Pollenex Air Cleaners requiring a carbon pre-filter.


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RPS R14ALLM Replacement For Pollenex FP1000 Carbon PreFilter 2-Pack
Our Price: $16.99
Retail: $19.99
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RPS R14ALLM Replacement For Sunbeam 6618 Carbon PreFilter 2-Pack
(SUNBEAM 6618 1 R)

The Sunbeam 6618 Carbon prefilter 2-pack works with your Sunbeam 2590 air purifier. This convenient two pack will keep noxious gases and large particulates out of your homes air. This will increase the life of your air purifiers HEPA filter.


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RPS R14ALLM Replacement For Sunbeam 6618 Carbon PreFilter 2-Pack
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RPS R14ALLM Replacement For Sunbeam 6620 Carbon PreFilter 2-Pack
(SUNBEAM 6620 1 R)

The Sunbeam 6620 Carbon PreFilter 2-Pack is the correct replacement for the following model of Sunbeam air cleaner: 2590 This carbon prefilter measures 15 3/4" x 48". This Sunbeam prefilter removes large particles from indoor air, and reduces


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RPS R14ALLM Replacement For Sunbeam 6620 Carbon PreFilter 2-Pack
Our Price: $16.99
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RPS 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.


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RPS R14ALLM Replacement For Vicks CF1 Carbon PreFilter 2-Pack
Our Price: $16.99
Retail: $19.99
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Honeywell HC-24 Humidifier Filter Replacement
(Honeywell HC-24 R)

The Honeywell HC-24 Humidifier Filter Replacement is a J replacement humidifier filter for the Holmes Tabletop Cool Mist Humidifier models. This evaporator pad is antimicrobially treated for the removal of pollutants from water and prevents the grow


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Honeywell HC-24 Humidifier Filter Replacement
As Low As: $14.99
Retail: $25.95
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Lennox 92X08 HEPA 40/60 Foam PreFilter
(92X08)

The Lennox 92X08 HEPA 40/60 Foam PreFilter is a replacement foam pre-filter for the HEPA 40 and HEPA 60 Lennox Healthy Climate Indoor Air Quality HEPA systems. Contaminated air passes through this carbon pre-filter, allowing it trap large dirt.


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Lennox 92X08 HEPA 40/60 Foam PreFilter
Our Price: $35.99
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Trion Air Bear Supreme 1400 Air Cleaner Merv 11
(455602-625)

The Trion Air Bear Supreme 1400 Air Cleaner Merv 11 is a whole house air cleaner that captures and holds pollutants within its filter. The filter then efficiently allows the air to pass throughout the system. The Trion Supreme 1400 features a rugged

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Trion Air Bear Supreme 1400 Air Cleaner Merv 11
Our Price: $110.99
Retail: $129.99
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Trion Air Bear Supreme 20x20 Air Cleaner Merv 11
(455602-725)

The Trion Air Bear Supreme 20x20 Air Cleaner is a for your whole house air cleaner. The Trion Supreme 20x20 features an easy installation that mounts directly to your heating or cooling system.The Trion 45560

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Trion Air Bear Supreme 20x20 Air Cleaner Merv 11
Our Price: $100.99
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Trion Air Bear Cub Air Cleaner 16x25x3 Merv 8
(455602-425)

The Trion Air Bear Cub Air Cleaner 16x25x3 is a genuine filter for use in your heating and cooling system. This Trion Air Bear Media Air Cleaner has a MERV 8 rating that will rid your home of air contaminants including lint, dust, pollen, mold spore


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Trion Air Bear Cub Air Cleaner 16x25x3 Merv  8
Our Price: $80.99
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Hoover WindTunnel Vacuum Belt Replacement 2-Pack
(40201160)

The Hoover WindTunnel Vacuum Belt Replacement 2-Pack is a genuine Hoover vacuum belt. These belts for Hoover vacuum cleaners fit upright vacuums including WindTunnel (except Self-Propelled), Bagless Widepath, Bagless PowerMax, Bagless Tempo, and


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Hoover WindTunnel Vacuum Belt Replacement 2-Pack
Our Price: $7.18
Retail: $9.99
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Honeywell Trane Perfect Fit 14.5x27x5 BAYFTFR14M 3-Pk 3-Pack
(HTRN1427T1)

These three Honeywell air filters are compatible furnace filters that can be used as upgrades over the Trane Perfect Fit filter of the same size. Genuine Trane Perfect Fit filters have only a MERV 8 rating, while these compatible Honeywell furnace f

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Honeywell Trane Perfect Fit 14.5x27x5 BAYFTFR14M 3-Pk
Our Price: $363.00

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Filters Fast Custom Size MERV-13 Filters 6 Pack
(FFCAFM13)

Filters Fast Air Filters are an economical alternative if you're looking for a quality air filter without paying a premium price! Filters Fast Air Filters are now available in custom sizes! View details for order guidelines...


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Filters Fast Custom Size MERV-13 Filters 6 Pack
Our Price: $40.00
Retail: $41.00
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Crane Air Purifier with HEPA Filter - Shark Design
(EE-5064)

This Crane Air Purifier with HEPA filter is a personal air purifier designed to look like a shark (see above picture). It features an advanced five level filtration system to remove germs, viruses, and bacteria as well as many different airborne all


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Crane Air Purifier with HEPA Filter - Shark Design
Our Price: $71.25
Retail: $79.99
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$2,000 Premium Fiberglass Air Filter
(Air 2000)

How does one simple fiberglass air filter cost $2,000? Must be one really good air filter, right?

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$2,000 Premium Fiberglass Air Filter
Our Price: $2,000.00
Retail: $2,001.00
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ED Lab Indoor Air Home Mold Test Kit 10-Pack
(BMSC)

This ED Lab Indoor Air Home Mold Test Kit is used to screen the air in your home for different mold types as well as fungal propagules. Filters Fast has teamed up with Environmental Diagnostics Lab (ED Lab) to provide this advanced home mold testing


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ED Lab Indoor Air Home Mold Test Kit
Our Price: $519.90

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Hoover SteamVac Vacuum Filter Recovery Tank F5851
(38762010)

This Hoover SteamVac Vacuum Filter is a Hoover replacement vacuum cleaner filter for the Hoover SteamVac and the Hoover Extractor. It fits Hoover models: F5815, F5817, F5821, F5825, F5827, F5831-900, F5833-900, F5859-900, F5863-900, F5858-920.


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Hoover SteamVac Vacuum Filter Recovery Tank F5851
Our Price: $8.58
Retail: $9.99
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Crane Humidifier Filter Replacement - Licensed Ch.
(HS-1931)

This Crane Humidifier Filter (HS-1931) is a replacement demineralizing humidifier filter cartridge for the line of licensed character Crane humidifiers. It helps to reduce the build up of white dust mineral deposits in Crane humidifiers caused by ha


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Crane Humidifier Filter Replacement - Licensed Ch.
Our Price: $9.99
Retail: $10.99
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Filters Fast Custom Size Air Filters 6 Pack
(FFCAF)

Filters Fast Air Filters are an economical alternative if you're looking for a quality air filter without paying a premium price! Filters Fast Air Filters are now available in custom sizes! View details for order guidelines.


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Filters Fast Custom Size Air Filters 6 Pack
Our Price: $40.00
Retail: $41.00
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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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Trion Duct Mount HE Plus 1400, 455601-001C 16"x25"
Our Price: $370.95
Retail: $440.00
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GeneralAire 201-12880 MERV 11 Filter Media
(4050)

The GeneralAire 201-12880 is a compatible replacement for the following air cleaners: Aprilaire 2200 Air Cleaner Aprilaire 2250 Air Cleaner


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GeneralAire 201-12880 MERV 11 Filter Media
Our Price: $48.99
Retail: $59.99
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GeneralAire 401-13156 MERV 11 Filter Media
(4051)

The GeneralAire Merv 11 ventilator filter replacement is designed for use in GeneralAire Air Cleaners. This part is often called a GeneralAire 401-13156. A suitable AC24 filter replacement, this Merv 11 replacement filter is expandable.


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GeneralAire 401-13156 MERV 11 Filter Media
Our Price: $51.85
Retail: $69.99
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GeneralAire 101804 HRV/ERV Door Switch
(4689)

The GeneralAire 101804 HRV/ERV Door Switch is the correct replacement door switch for the following models of GeneralAire energy/heat recovery ventilators: 3160 3220 8160 8220 This ventilator door switch is a genuine GeneralAire replacement


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GeneralAire 101804 HRV/ERV Door Switch
Our Price: $40.99
Retail: $49.99
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GeneralAire 101789 Poly Core for HRV8160
(4662)

The GeneralAire 101789 is the correct replacement for the following ventilator: GeneralAire Whole House HRV 8160 Ventilator

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GeneralAire 101789 Poly Core for HRV8160
Our Price: $200.99
Retail: $249.99
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GeneralAire 101791 Enthalpy Core for ERV3160
(4672)

The GeneralAire 101791 enthalpy core is manufactured for your ERV3160 system. The enthalpy core is a key to your ERV3160 unit's performance. The enthalpy core replacement transfers heat between the two air systems of your ERV3160.

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GeneralAire 101791 Enthalpy Core for ERV3160
Our Price: $470.99
Retail: $499.99
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GeneralAire 101790 Enthalpy Core for ERV3220
(4674)

The GeneralAire 101790 is the correct replacement for the following ventilator: GeneralAire Whole House ERV3220 Ventilator.

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GeneralAire 101790 Enthalpy Core for ERV3220
Our Price: $610.99
Retail: $640.49
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Filters Fast - Air Filters

" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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