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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 HAPF30 R Replacement for Holmes HAPF30AT-U4
(HAPF30)

The Holmes HAPF30 Replacement HEPA filter fits Holmes Air Purifier Models HAP240, HAP242, HAP243, HAP2400, HAP2404, HAP260, HAP2604, HAP412, HAP413, HAP422, HAP433 and Bionaire BAP242, BAP422, BAP815, BAP825, and BAP826.


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FiltersFast HAPF30 R Replacement for Holmes HAPF30AT-U4
Our Price: $17.24
Retail: $29.99
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BestAir R14ALLM Replacement For Honeywell HRF-AP1 2-Pack
(HRF-AP1 1 R)

The Honeywell HRF-AP1 Carbon PreFilter 2-Pack is a replacement carbon pre-filter for all models of Honeywell Round Air, Honeywell Quietcare, and Honeywell SilentComfort air purifiers. This two pack of carbon filters is cut-to-fit, reduces common odo


In Stock! Ships in 15 to 16 business days.
BestAir R14ALLM Replacement For Honeywell HRF-AP1 2-Pack
Our Price: $18.99
Retail: $21.99
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FiltersFast FFC20205HONM8 Replacement for Honeywell FC100A1011 - 20x20x5 2-Pack
(FFC20205HONM8)

FiltersFast Brand Honeywell 20x20x5 FC100A1011 2-Pack Air Filter is an economical compatible version of the OEM Honeywell FC100A1011 20"x20" Media AC Filter. To save money, this air filter replacement comes in a 2pk value set.


In Stock! Ships in 3 to 4 business days.
FiltersFast FFC20205HONM8 Replacement for Honeywell FC100A1011 - 20x20x5 2-Pack
Our Price: $45.90
Retail: $52.99
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Honeywell FC200E1011 Media Filter 20x20x5- Merv 13
(FC200E1011)

The Honeywell FC200E1011 Media Filter 20x20x5- Merv 13 is a replacement air filter for the Honeywell 20X20 F100 and F200 media air cleaners. This Honeywell air filter boasts a MERV 13 rating and removes over 97% of 3 to 10 micron particles from indo


In Stock! Ships in 9 to 10 business days.
Honeywell FC200E1011 Media Filter 20x20x5- Merv 13
Our Price: $47.99
Retail: $55.99
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Lennox X0581 MERV 10 Pleated Furnace Filter Media
(X0581)

This Lennox X0581 MERV 10 Pleated Furnace Filter Media provides high efficiency filtration. This Merv 10 furnace filter requires no assembly or combs.


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Lennox X0581 MERV 10 Pleated Furnace Filter Media
Our Price: $35.95
Retail: $41.99
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Lennox X6669 PCO-20C 21X26X4 Merv 16 Filter Replacement
(X6669)

The Lennox X6669 PCO-20C 21X26X4 Merv 16 Filter Replacement is a pleated box filter for your Pureair air cleaner. This air filter box measures 21x26x4 inches and is a pleated air filter.

Free shipping within the continental United States!

In Stock! Ships in 4 to 5 business days.
Lennox X6669 PCO-20C 21X26X4 Merv 16 Filter Replacement
Our Price: $113.95
Retail: $149.99
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FiltersFast 1" Air Filters MERV 8 Replacement for Rheem FPR 4 6-Pack
(FFM8 6pk RH)

The FiltersFast FFM8 6-Pack is the compatible replacement for the Rheem Basic Household Pleated Air Filter.


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FiltersFast 1" Air Filters MERV 8 Replacement for Rheem FPR 4 6-Pack
Our Price: $50.95
Retail: $61.99
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Honeywell HC22E 1003 Enviracaire Humidifier Filter
(HC22E 1003)

The Honeywell Enviracaire Elite HC22E 1003 Humidifier Pad fits on Honeywell HE220, and HE225 Bypass Flow-Through Humidifiers and Aprilaire 550 Humidifier. Genuine Honeywell part.


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Honeywell HC22E 1003 Enviracaire Humidifier Filter
Our Price: $30.99
Retail: $35.99
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GeneralAire 13415 MERV 11 Filter Media for AC4
(GA 4401)

The GeneralAire air cleaner filter replacement is manufactured for your AC4 furnace air cleaner. This air cleaner filter cartridge features a MERV 11 rating that will capture particulates down to 3 microns in size. This genuine GeneralAire product i


In stock! Ships in 1 business day.
GeneralAire 13415 MERV 11 Filter Media for AC4
Our Price: $32.99
Retail: $37.99
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Lennox Genuine 92X10 HEPA Filter Replacement for HEPA-40, HEPA-60
(92X10)

This Lennox Genuine 92X10 HEPA Filter Replacement for HEPA-40, HEPA-60 is designed to capture 99.97% of particulates down to 0.3 micron that pass through it. The Lennox Healthy Climate filter should be replaced every 2-5 years.

Free shipping within the continental United States!

In Stock! Ships in 6 to 7 business days.
Lennox Genuine 92X10 HEPA Filter Replacement for HEPA-40, HEPA-60
Our Price: $218.95
Retail: $284.99
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FiltersFast FFC16265WRM8 Replacement for White Rodgers 16x26x5 F825-0548 - 2-Pack
(F825-0548-M8)

If you are looking for a FiltersFast Brand economical compatible alternative for the OEM White Rodgers 16x26x5 Air Furnace Filter try this White Rodgers 16x26x5 Furnace Filter Replacement F825-0548.


In Stock! Ships in 4 to 5 business days.
FiltersFast FFC16265WRM8 Replacement for White Rodgers 16x26x5 F825-0548 - 2-Pack
Our Price: $35.95
Retail: $59.99
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FiltersFast FF 30925 Replacement for Hunter 30925
(30925)

Keep your Hunter Air Purifier purring with the convenient and affordable FiltersFast FF 30925 HEPA Air Purifier Filter.


Special Order. Ships in 13 days.
FiltersFast FF 30925 Replacement for Hunter 30925
Our Price: $18.99
Retail: $24.99
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GeneralAire GA23 Humidifier Vapor Pad Replacement 10-Pack
(7923)

Humidifier vapor pads, sometimes called humidifier filter pads or vapor pad replacements, are one of the most important elements in a humidifier. This is because they are the key component in creating the vapor that re-introduces moisture into dry a


In stock! Ships in 1 business day.
GeneralAire GA23 Humidifier Vapor Pad Replacement
Our Price: $119.90

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GeneralAire F1020 MERV 13 Filter Media Replacement
(4562)

The General Air F1020 MERV 13 Filter Media measures 20"x25"x4" (approx.), and is correct filter for General Aire TERSus2000 Air Purification Systems.


Out of stock
GeneralAire F1020 MERV 13 Filter Media Replacement
Our Price: $64.91
Retail: $75.99
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FiltersFast A10PR R Replacement for Honeywell HC22
(Honeywell HC22 R)

The Honeywell HC22 Humidifier Water Panel Filter is a replacement humidifier water panel filter that is compatible with several Honeywell furnace humidifier models. This evaporator pad measures approximately 9.5" x 10" x 1.5" and traps mineral pollu


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FiltersFast A10PR R Replacement for Honeywell HC22
As Low As: $7.99
Retail: $12.99
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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.


Special Order. Ships in 15 days.
Carrier 356066-0602 Pre Filter for EACBAXCC0014
Our Price: $35.95
Retail: $41.99
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FiltersFast ROHAPF60M Replacement For Holmes HAPF60 Pre-Filter 2-Pack 2-Pack
(HAPF60)

The Holmes HAPF60 Carbon Pre-Filter 4-Pack fits Holmes HAP615, HAP625, HAP650, HAP675, and others. In an average household 1 Pre-filter will last 3 months--order your year supply today!


In Stock! Ships in 6 to 7 business days.
FiltersFast ROHAPF60M Replacement For Holmes HAPF60 Pre-Filter 2-Pack
Our Price: $21.90

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Aprilaire 4897 Conversion Frame for Model 5000
(4897)

The Aprilaire 4897 Conversion Frame upgrades your Honeywell, Trion, Carrier, General, or Lennox brand media style air cleaner filters to use Aprilaire replacements.


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Aprilaire 4897 Conversion Frame for Model 5000
Our Price: $8.95
Retail: $19.99
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BestAir A10WPR Replacement for Carrier P1101045 Humidifier Filter
(P110-1045)

The BestAir A10WPR Humidifier Water Panel Evaporator is a compatible version of the genuine Aprilaire 500 Humidifier Water Panel Evaporator.


In stock! Ships in 1 business day.
BestAir A10WPR Replacement for Carrier P1101045 Humidifier Filter
Our Price: $16.99
Retail: $19.99
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GeneralAire GA10 Humidifier Vapor Pad
(7900)

The GeneralAire GA10 Humidifier Vapor Pad is a replacement vapor pad for the GeneralAire 570 Elite Flow Through Humidifer, as well as several humidifier models from Honeywell, AprilAire, and Source1. The hot air from the humidifier's furnace is firs


In stock! Ships in 1 business day.
GeneralAire GA10 Humidifier Vapor Pad
Our Price: $14.95
Retail: $19.99
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Trane Perfect Fit BAYFTFR21P4A Filter - 21x27x1
(BAYFTFR21P4A)

The Trane Perfect Fit BAYFTFR21P4A Filter - 21x27x1 fits several air cleaner models made by Trane. This Trane furnace filter measures approximately 21" x 27" x 1" and has pleats for the purification of your indoor air. This Trane Perfect Fit filter


Special Order. Ships in 15 days.
Trane Perfect Fit BAYFTFR21P4A Filter - 21x27x1
Our Price: $22.90
Retail: $25.99
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FiltersFast FFC24265TRNM8 Replacement for Trane Perfect Fit BAYFTFR24M 2-Pack
(FFC24265TRNM8)

FiltersFast Brand Trane 24.5x27x5 Perfect Fit BAYFTFR24M air filter replacements are specifically designed to replace OEM Trane Perfect Fit BAYFTFR24M air filters.


In Stock! Ships in 3 to 4 business days.
FiltersFast FFC24265TRNM8 Replacement for Trane Perfect Fit BAYFTFR24M 2-Pack
Our Price: $51.95
Retail: $69.99
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FiltersFast A10PR R Replacement for American Standard BAYPAD01A1010A
(BAYPAD01A1010A R)

The American Standard BAYPAD01A1010A is the compatible replacement for the following humidifier: American Standard HUMD200A Humidifier American Standard HUMD200T Humidifier


In stock! Ships in 1 business day.
FiltersFast A10PR R Replacement for American Standard BAYPAD01A1010A
As Low As: $7.99
Retail: $12.99
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Hunter 30917 HEPAtech Purifier Filter
(30917)

The Hunter 30917 HEPAtech Purifier Filter is an electrostatically-charged filter that captures 99.9% of particles as small as 0.3 microns.


Special Order. Ships in 7 days.
Hunter 30917 HEPAtech Purifier Filter
Our Price: $19.95
Retail: $24.99
You Save 20%!

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BestAir D88 Replacement For Honeywell HC-888 Humidifier Filter
(D88)

The BestAir D88 helps your humidifier run at peak performance by removing the hard water contaminants from your humidifier and preventing them from being released into your air.


Out of stock
BestAir D88 Replacement For Honeywell HC-888 Humidifier Filter
Our Price: $9.99
Retail: $10.99
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Filters Fast - Air Filters

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