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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:


Carrier EXPXXFIL0024 EZ-FLEX Air Purifier Filter
(EXPXXFIL0024)

The Carrier EXPXXFIL0024 Air Purifier Filter is a genuine OEM factory replacement air filter for Bryant, Carrier, Payne, Day-Night, as well as certain Honeywell, Space-Gard, and Trion air purifiers.


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Carrier EXPXXFIL0024 EZ-FLEX Air Purifier Filter
Our Price: $42.95
Retail: $99.99
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Lennox X8311 MERV 10 Expandable Filter Replacement for HCXF14
(X8311)

The Lennox X8311 is the correct filter for the following air cleaner: Lennox Healthy Climate HCXF14 Air Filtration System


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Lennox X8311 MERV 10 Expandable Filter Replacement for HCXF14
Our Price: $30.95
Retail: $38.71
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Lennox X0587 MERV 11 Pleated Media Filter
(X0587)

This Lennox X0587 MERV 10 Pleated Media Filter is a MERV 10 replacement furnace filter. This pleated furnace filter offers quality filtration of impurities and pollutants in the air.


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Lennox X0587 MERV 11 Pleated Media Filter
As Low As: $36.45
Retail: $49.99
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Honeywell FC40R1078 24x24 Return Air Grille Filter
(FC40R1078)

The Honeywell FC40R1078 Return Air Grille Filter is a high efficiency, replacement air filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 24x24x4.


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Honeywell FC40R1078 24x24 Return Air Grille Filter
Our Price: $35.99
Retail: $49.99
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FiltersFast A35WPR Replacement For Honeywell HC26P
(Honeywell HC26 R)

The Honeywell HC26 Humidifier Water Panel Filter is a replacement humidifier water panel filter that fits several Honeywell furnace humidifier models. This evaporator pad measures approximately 10" x 13.25" x 1.5" and features anti-microbial furna


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FiltersFast A35WPR Replacement For Honeywell HC26P
As Low As: $11.45
Retail: $14.99
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Carrier Bryant 49BF Humidifier Filter Replacement
(318518-761)

The Carrier Bryant 49BF Humidifier Filter Replacement is also known as Carrier Bryant 318518-761.


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Carrier Bryant 49BF Humidifier Filter Replacement
Our Price: $29.49
Retail: $34.99
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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


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GeneralAire GA10 Humidifier Vapor Pad
Our Price: $13.95
Retail: $19.99
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Honeywell HC-14 Replacement Humidifier Filter Wick
(HC-14)

The Honeywell HC-14 Humidifier Filter Replacement reduces waterborne minerals and contaminants to keep your humidifier clean.


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Honeywell HC-14 Replacement Humidifier Filter Wick
Our Price: $24.99
Retail: $25.99
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FiltersFast Brand Bryant,Carrier FILXXFNC0021 Filter 2-Pack
(FILXXFNC0021)

FiltersFast Brand Bryant,Carrier FILXXFNC0021 Filter


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FiltersFast Brand Bryant,Carrier FILXXFNC0021 Filter 2-Pack
Our Price: $55.99
Retail: $69.99
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Trion Air Bear Media AC Filter 20x20x5 4-Pack
(255649-103 4pack)

The Trion Air Bear Media AC Filter 20x20x5 part number 255649-103 is a genuine Trion Air Bear pleated media A/C filter. The 255649103 can be used in Trion 20" x 20" Models including model number 455604-019. Replaces 229990-103 and 248713-103.


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Trion Air Bear Media AC Filter 20x20x5 4-Pack
Our Price: $79.00
Retail: $100.00
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Bionaire 611D Air Cleaner Replacement Filter
(611D R)

The Bionaire 611D Air Cleaner Replacement Filter fits the following models of air cleaners: Bionaire LP1000 Bionaire LP1500H Bionaire 83130 This Bionaire 611D replacement filter is a dual air filter cartridge, with a main filter as well as a


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Bionaire 611D Air Cleaner Replacement Filter
Our Price: $11.99
Retail: $14.99
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FiltersFast A10WPR Replacement For Aprilaire 550 Humidifier Water Panel
(A10WPR)

The 550 fits Aprilaire, Chippewa, Hamilton, Honeywell, Lasko, Totaline, Healthy Climate and Lennox Humidifier systems.


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FiltersFast A10WPR Replacement For Aprilaire 550 Humidifier Water Panel
Our Price: $15.99
Retail: $19.99
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Lennox Y6606 PCO3-14-16 Air Filtration Filter PureAir 100908-12
(Y6606)

The Lennox Y6606 PCO3-14-16 PureAir 100908-12 Healthy Climate PureAir Air Purification System features a Precision Pleat MERV 16 filter that traps particles down to an amazing 0.01 micron.

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Lennox Y6606 PCO3-14-16 Air Filtration Filter PureAir 100908-12
Our Price: $90.95
Retail: $99.99
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Bionaire A2001D Replacement Air Cleaner Filter
(A2001D R)

The Bionaire A2001D Replacement Air Cleaner Filter fits the following model of air cleaner: Bionaire SE2080 This Bionaire air purifier filter is a dual filter, with a pleated filter as well as a carbon filter. The Bionaire A2001D has approxima


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Bionaire A2001D Replacement Air Cleaner Filter
Our Price: $20.99
Retail: $29.99
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Hamilton Humidifier Evaporator Pad EP-036
(EP-036)

The Hamilton EP-036 is the correct replacement for the following humdifier: Hamilton 10F flow through humidifier The Hamilton Humidifier Evaporator Pad EP-036 is the part of the humidifier that collects moisture and then distributes it into th


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Hamilton Humidifier Evaporator Pad EP-036
Our Price: $14.99
Retail: $19.99
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Lennox X1152 MERV 11 Pleated Media Furnace Filter MF1-20
(X1152)

The Lennox X1152 MERV 10 Pleated Media Furnace Filter is the replacement filter cartridge for several Lennox, Trion Air Bear, other air cleaner systems requiring 20x25x5 furnace filters.


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Lennox X1152 MERV 11 Pleated Media Furnace Filter MF1-20
As Low As: $27.95
Retail: $33.75
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Filtrete Dust & Pollen Furnace Filter (Green)
(Dust and Pollen)

The Filtrete Dust & Pollen Furnace Filter is the right choice if you're looking for an economical upgrade from cheap 1 month furnace filters. The Filtrete "Blue Filter" features electrostatically charged fibers and is ideal for high-velocity..


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Filtrete Dust & Pollen Furnace Filter (Green)
Our Price: $11.99
Retail: $14.99
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Honeywell 50000293-001 Post Air Filter 2-Pack 2-Pack
(50000293-001)

The Honeywell 50000293-001 is a post filter that fits the following electronic air cleaner models: Honeywell F50F Honeywell F300E The Honeywell 50000293-001 Post Air Filter - 16x10 improves the performance and efficiency of the air cleaner.


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Honeywell 50000293-001 Post Air Filter 2-Pack
Our Price: $43.90

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Lennox X0444 MERV 10 Pleated Furnace Filter Media PMAC-12C
(X0444)

The Lennox X0444 MERV 10 Pleated Furnace Filter Media is a filter for your HVAC system. This furnace filter media is known as the x0444 and uses a MERV 10 air filter.The MERV 10 rating will provide your home with significant air cleaning capability


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Lennox X0444 MERV 10 Pleated Furnace Filter Media PMAC-12C
Our Price: $36.95
Retail: $39.99
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FiltersFast Brand Bryant-Carrier FILXXCAR0016 MERV11 2pack
(FILXXCAR0016)

The FiltersFast Brand Bryant-Carrier FILXXCAR0016 MERV11 2pack replacement combines the strength of a continuous hydrophobic polyolefin fibers media and increased surface area that results in a reduction of airborne pollutants.


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FiltersFast Brand Bryant-Carrier FILXXCAR0016 MERV11 2pack
Our Price: $44.95
Retail: $89.99
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Lennox X8790 PCO14-23 MERV 16 Air Filter Replacement
(X8790)

The Lennox X8790 MERV 16 Air Filter Replacement is a replacement air filter for the Lennox PCO14-23 PureAir Air Filtration System. This furnace filter measures approximately 20" x 21" x 5" and features a MERV 16 rating. A higher MERV rating results

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Lennox X8790 PCO14-23 MERV 16 Air Filter Replacement
Our Price: $105.95
Retail: $229.00
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GeneralAire GA19 Humidifier Vapor Pad Replacement
(7919)

The GeneralAire GA19 Humidifier Vapor Pad Replacement is a replacement vapor pad for the GeneralAire Elite Models 900 and 1000. Air passes through the GA19 vapor pad where moisture is absorbed into the heating system after which the home is humidifi


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GeneralAire GA19 Humidifier Vapor Pad Replacement
As Low As: $10.99
Retail: $17.84
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FiltersFast Brand White Rodgers 20x26x5 F825-0549 2Pack
(FFC20265WRM8)

The FiltersFast Brand 20x26x5 Air Filter F825-0549 is a compatible alternative for the OEM White Rodgers 20x26x5 Air Filter. This filter is made of fine carbon powder bonded to lofted polyester media for odor reduction.


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FiltersFast Brand White Rodgers 20x26x5 F825-0549 2Pack
Our Price: $41.99
Retail: $50.00
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FiltersFast 711D Replacement For Bionaire 711D Air Cleaner Filter
(711D R)

The Bionaire 711D Replacement Air Cleaner Filter is a replacement air filter for several Bionaire model air cleaners, including the F701 and 100 100. The Bionaire 711D features a dual filter cartridge.


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FiltersFast 711D Replacement For Bionaire 711D Air Cleaner Filter
Our Price: $11.95
Retail: $14.99
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Honeywell FC40R1060 16x25 Return Air Grille Filter
(FC40R1060)

Honeywell FC40R1060 16x25 Return Air Grille AC Filter is a high efficiency, replacement air filter for return grille applications. Designed to capture airborne particles that circulate through the filter. Nominal Dimension 16x25x4.


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Honeywell FC40R1060 16x25 Return Air Grille Filter
Our Price: $34.99
Retail: $49.99
You Save 30%!

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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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