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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


Bionaire Foam Humidifier Prefilter A0327W 2-Pack
(A0327W)

The Bionaire A0327W Foam Humidifier Prefilter is used to reduce airborne particles & pollutants with Bionaire CP0305 & CP0306 humidifier systems.


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Bionaire Foam Humidifier Prefilter A0327W
Our Price: $7.98

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Austin Air HM405 Allergy Machine - Sandstone
(HM405 Sandstone)

The Austin Air HM405 Allergy Machine - Sandstone is an air purifier ideal for allergy and asthma sufferers. This Austin Air air purifier promotes better sleep and less coughing & sneezing through the reduction of smoke, mold, mildew, fungi, allergen

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Austin Air HM405 Allergy Machine - Sandstone
Our Price: $574.99
Retail: $599.99
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Austin Air HM405 Allergy Machine - Black
(HM405 Black)

The Austin Air HM405 Allergy Machine - Black is an air cleaner that provides clean air for allergy and asthma sufferers. This Austin Air purifier offers users better sleep and less coughing & sneezing through the reduction of smoke, mold, mildew, fu

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Austin Air HM405 Allergy Machine - Black
Our Price: $574.99
Retail: $599.99
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Austin Air HM405 Allergy Machine - White
(HM405 White)

The Austin Air HM405 Allergy Machine - White is an air cleaner that provides clean air for allergy and asthma sufferers. This Austin Air purifier offers users better sleep and less coughing & sneezing through the reduction of smoke, mold, mildew, fu

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Austin Air HM405 Allergy Machine - White
Our Price: $574.99
Retail: $599.99
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Austin Air HM405 Allergy Machine - Midnight Blue
(HM405 MB)

The Austin Air HM405 Allergy Machine - Midnight Blue is an air cleaner that provides clean air for allergy and asthma sufferers. This Austin Air purifier offers users better sleep and less coughing & sneezing through the reduction of smoke, mold, mi

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Austin Air HM405 Allergy Machine - Midnight Blue
Our Price: $574.99
Retail: $599.99
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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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General Aire Air Cleaner Fan Motor C5-070D
(4704)

The General Aire Air Cleaner Fan Motor C5-070D is a replacement fan motor for the GeneralAire SSCB15 Ceiling Mount Air Cleaners. The GeneralAire C5-070D fan motor attaches to the C5-0710 fan blade and ensures the proper filtration of airborne partic

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General Aire Air Cleaner Fan Motor C5-070D
Our Price: $400.99
Retail: $499.99
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General Aire White Cover Assembly C5-0608
(4708)

The General Aire White Cover Assembly C5-0608 fits the following models of air cleaners: GeneralAire SSCB15-WHT GeneralAire SSCB15W-R This GeneralAire part 4708 is the air cleaner's cover assembly and is white in color. The GeneralAire white

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General Aire White Cover Assembly C5-0608
Our Price: $663.13
Retail: $695.24
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General Aire Gray Cover Assembly C5-0609
(4709)

The General Aire Gray Cover Assembly C5-0609 fits the following models of air cleaners: GeneralAire SSCB15-WHT GeneralAire SSCB15W-R This General Aire part 4709 is the air cleaner's cover assembly, and is gray in color. The GeneralAire cover

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General Aire Gray Cover Assembly C5-0609
Our Price: $663.13
Retail: $695.24
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GeneralAire Air Cleaner Cell C5-0400
(4712)

The General Aire Air Cleaner Cell C5-0400 fits the following models of air cleaners: GeneralAire GA52F32 GeneralAire SSCB7-WHT GeneralAire SSCB7W-R GeneralAire SSCB15-WHT GeneralAire SSCB15W-R This GeneralAire part number 4712 is the air c

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GeneralAire Air Cleaner Cell C5-0400
Our Price: $300.99
Retail: $399.99
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General Aire Power Compartment Cover G8-0610
(4789)

The General Aire Power Compartment Cover G8-0610 fits the following model of air cleaner: GeneralAire GA52F32 This GeneralAire part 4789 is the air cleaner's power compartment cover. The GeneralAire power comprartment cover G8-0610 is also kno

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General Aire Power Compartment Cover G8-0610
Our Price: $271.10
Retail: $299.99
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General Aire Contact Tray G8-0522
(4792)

The General Aire G8-0522 Contact Tray is the correct replacement part which attaches to the inside lower base section of the main General Air GA52F32 unit. Also known as General Air part number 4792.


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General Aire Contact Tray G8-0522
Our Price: $50.99
Retail: $59.99
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Honeywell F100F2044 25x20 Whole House Air Cleaner
(F100F2044)

The Honeywell F100F2044 25x20 Whole House Air Cleaner does not require electrical connections and mounts in the return air duct in any position.

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Honeywell F100F2044 25x20 Whole House Air Cleaner
Our Price: $122.69
Retail: $134.99
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Honeywell F100F2051 25x22 Whole Home Air Purifier
(F100F2051)

The Honeywell F100F2051 25x22 Air Purifier System is applicable to all gas, oil and electric forced air furnaces and to compressor cooling up to 5 tons.


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Honeywell F100F2051 25x22 Whole Home Air Purifier
Our Price: $99.99

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Honeywell F100F2002 16x25 Whole House Air Cleaner
(F100F2002)

The Honeywell F100F2002 16x25 Whole House Air Cleaner uses a high efficiency filter that captures airborne particles in the air circulated through the unit, as small as 0.3 microns.

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Honeywell F100F2002 16x25 Whole House Air Cleaner
Our Price: $114.59
Retail: $114.99
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Honeywell F100F2036 20x20 Whole Home Air Purifier
(F100F2036)

The Honeywell F100F2036 20x20 Whole Home Air Purifier uses a 4-inch extended media that makes replacement quick and easy.


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Honeywell F100F2036 20x20 Whole Home Air Purifier
Our Price: $88.99
Retail: $89.99
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2" Geothermal Home Air Filters MERV 11 6-Pack
(FFGM11)

The 2" Geothermal Home Air Filters MERV 11 - 6 Pack is a six pack of replacement air filters utilizing geothermal technology. These air filters also feature a MERV 11 rati


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2" Geothermal Home Air Filters MERV 11
Our Price: $389.94

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American Metal Filter RCP0907 Replacement For GE WB2X8293
(RCP0907)

The GE WB2X8293 Compatible Range Hood Filter measures 9" x 10 1/2" x 3/8" (measure your old filter to ensure a perfect fit). This carbon range hood filter is a compatible replacement for the GE WB2X8293 and is not washable. This charcoal filter opti


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American Metal Filter RCP0907 Replacement For GE WB2X8293
Our Price: $6.09
Retail: $9.99
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American Metal Filter RCP0907 Replacement For GE WB2X8293
(WB2X8293)

The GE WB2X8293 Compatible Charcoal Carbon Filter measures 9 inches x 10 1/2 inches x 3/8 inches (measure your old filter to ensure a perfect fit) and is not washable. This charcoal carbon filter is a compatible replacement for the GE WB2X8293. Char


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American Metal Filter RCP0907 Replacement For GE WB2X8293
Our Price: $6.09
Retail: $9.99
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American Metal OEMRCP0205 Replacement For LG 5230W2A003C
(5230W2A003C)

The LG 5230W2A003C Comp. Microwave Charcoal Filter, made by the American Metal Filter Company, is a compatible replacement for the LG 5230W2A003C, LG 5230W2A003A, and GE WB02X10943 activated charcoal filters. This microwave grease filter reduces kit


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American Metal OEMRCP0205 Replacement For LG 5230W2A003C
Our Price: $3.99
Retail: $4.99
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Honeywell F200E1003 16x20 Air Cleaner
(F200E1003)

The Honeywell F200E1003 16x20 Air Cleaner is applicable to all gas, oil and electric forced warm air furnaces and to compressor cooling up to 5 tons.

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In Stock! Ships in 10 to 11 business days.
Honeywell F200E1003 16x20 Air Cleaner
Our Price: $230.99
Retail: $299.99
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Totaline DTLP102-2020 20x20 MERV 11 Filter
(DTLP102-2020)

The Totaline DTLP102-2020 20x20 MERV 11 Filter features a filter material that is constructed of continuous hydrophobic polyolefin fibers that will not shred or absorb moisture.


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Totaline DTLP102-2020 20x20 MERV 11 Filter
Our Price: $39.89
Retail: $46.99
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