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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:


GeneralAire 6FM2025 MERV 11 Replacement For GeneralAire 5FM2025
(4501)

The General Aire 5FM2025 MERV 10 Filter Media Cartridge measures 20"x25"x5", and is the correct replacement part for General Air MAC 2000 and MACL Air Cleaner Systems; and TRION AirBear Supreme 2000 Air Cleaner Systems.


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GeneralAire 6FM2025 MERV 11 Replacement For GeneralAire 5FM2025
Our Price: $39.95
Retail: $40.95
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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: $29.99

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FiltersFast A35WPR Replacement For Lennox WB2-17/WB2-18
(WB2-17/WB2-18 R)

The Lennox WB2-17/WB2-18 Humidifier Water Panel Filter will help keep your humidifier running at its best. This humidifier panel measure 10" x 13 1/4" x 1.5" inches and the honeycomb design will trap mineral pollutants keeping them out of your humid


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FiltersFast A35WPR Replacement For Lennox WB2-17/WB2-18
As Low As: $11.45
Retail: $14.99
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Aprilaire 440 Humidifier Water Panel Evaporator
(A12WPR)

The 440 Humidifier Water Panel Evaporator Replacement is a paper Water Pad for your Aprilaire humidifier.The A12WPR Aprilaire Humidifier Water Panel Evaporator Replacement helps your Aprilaire humidifier system generate humidity. If your home su


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Aprilaire 440 Humidifier Water Panel Evaporator
Our Price: $10.99
Retail: $14.99
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FiltersFast Brand Trane Perfect Fit 17.5x27x5 MERV13 -2
(FFC175275TRN M13)

These FiltersFast Brand MERV 13 Furnace Filters replace Trane Perfect Fit Air Filters with the part number BAYFTFR17M or FLR06069, which are 17.5x27x5 air filters used in several Trane Air Cleaner models.

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FiltersFast Brand Trane Perfect Fit 17.5x27x5 MERV13 -2
Our Price: $90.99
Retail: $116.99
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Trion Air Bear Cub Filter 16x25x5 MERV 11
(259112-105)

This Trion Air Bear 259112-105 Filter is the correct replacement for the following air cleaning system: Trion Air Bear Duct Mount Media Air Cleaner


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Trion Air Bear Cub Filter 16x25x5 MERV 11
Our Price: $30.95

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GeneralAire 12758 MERV 11 Filter Media Replacement
(4001)

The GeneralAire 12758 MERV 11 Filter Media Replacement is a replacement air filter for the GeneralAire AC1 and AC22 model air cleaners. This replacement filter media features a MERV 11 rating and Micro Fiber construction for the reduction of airborn


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GeneralAire 12758 MERV 11 Filter Media Replacement
Our Price: $50.99
Retail: $63.99
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Lennox X0444 MERV 11 Pleated Furnace Filter Media
(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 11 Pleated Furnace Filter Media
Our Price: $30.95
Retail: $39.99
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FiltersFast Brand Bryant FILXXCAR0016 MERV11 2pack
(BY FILXXCAR0016)

The FiltersFast Brand Bryant 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 commonly found in household ai


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FiltersFast Brand Bryant FILXXCAR0016 MERV11 2pack
Our Price: $50.99
Retail: $89.99
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Lennox X8789 MERV 16 Filter Media Replacement
(X8789)

The Lennox X8789 MERV 16 Filter Media Replacement is the correct replacement for any HVAC system that requires a 16" x 26" x 5" filter. This Lennox Healthy Climate filter has an efficiency rating of MERV 16, the highest efficiency rating. The Len

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Lennox X8789 MERV 16 Filter Media Replacement
Our Price: $119.95
Retail: $226.95
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FiltersFast Replacement For Kenmore 14909 Humidifier Filters 2-Pack
(E2R R)

This is the FiltersFast compatible replacement for the Kenmore 14909 Humidifier Filter.


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FiltersFast Replacement For Kenmore 14909 Humidifier Filters 2-Pack
As Low As: $12.95
Retail: $22.99
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Carrier 324897-761 Humidifier Water Filter Pad
(Carrier 324897-761)

The Carrier 324897-761 Humidifier Water Filter Pad is a replacement humidifier water filter pad for several models of humidifiers from Carrier, Bryant, Totaline, and Day and Night. This Carrier wick filter utilizes honeycomb filtration to trap miner


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Carrier 324897-761 Humidifier Water Filter Pad
Our Price: $24.95
Retail: $29.95
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Honeywell FC40R1169 14x30 Return Grille Air Filter
(FC40R1169)

The Honeywell FC40R1169 14x30 Return Grille Air Filter is a replacement air filter that fits most return filter grilles. This return air filter grille measures 14" x 30" and features a MERV 10 rating for the reduction of airborne contaminants. The H


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Honeywell FC40R1169 14x30 Return Grille Air Filter
Our Price: $34.95
Retail: $39.99
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FiltersFast A10PR R Replacement for Bryant P1101045
(Bryant P1101045 R)

The Bryant P1101045 Humidifier Water Panel Filter is a replacement evaporator pad for the Bryant HUMBBSBP2212-A and HUMBBSBP2272-A humidifier models. This humidifier filter measures approximately 9.5" x 9.75" and utilizes honeycomb filtration to tra


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FiltersFast A10PR R Replacement for Bryant P1101045
As Low As: $6.99
Retail: $10.99
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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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Holmes HAPF600 HEPA Filter for Harmony Series
(HAPF600)

The Holmes HAPF600 HEPA Filter fits new Harmony Series Modular Air Purifiers HAP615, HAP625, HAP650, HAP675, HAP725, HAP750, HAP1625, HAP1650, HAP1750, HAP1725 and replaces GE Brand 10633, 106643, and 106653.


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Holmes HAPF600 HEPA Filter for Harmony Series
Our Price: $25.00

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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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FiltersFast 4-inch MERV 8 Air Filters 3-Pack
(FFM8PLEAT 4)

The FiltersFast 4-inch MERV 8 4"Air Filters 3-pack is compatible with: Aprilaire Space-Gard Trion Air Bear Honeywell and other top name brand air conditioning filters. Usable in residential, commercial, and industrial applications, the


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FiltersFast 4-inch MERV 8 Air Filters 3-Pack
Our Price: $43.95

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Honeywell HAC-801 Humidifier Filters DU3-C 3-Pack
(DU3-C)

The Honeywell HAC 801 Humidifier Filter is a compatible filter that comes in this convenient, economical 3-pack value set.


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Honeywell HAC-801 Humidifier Filters DU3-C
Our Price: $18.99

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3M Filtrete Dust & Pollen Furnace Filter 6-Pack LB
(Dust and Pollen 6-Pk)

The 3M Filtrete Dust & Pollen Furnace Filter is an electrostatically charged furnace filter ideal for high velocity HVAC systems. 3M Filtrete filters are an economical upgrade from cheap one month filters.


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3M Filtrete Dust & Pollen Furnace Filter 6-Pack LB
Our Price: $59.25
Retail: $60.11
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FilterFast Brand Honeywell 20x25x5 FC100A1037 2-Pack
(FFC20255HONM8)

The FilterFast Brand Honeywell 20x25x5 FC100A1037 2-Pack is the compatible version of the OEM Honeywell 20x25x5 Air Filter FC100A1037.


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FilterFast Brand Honeywell 20x25x5 FC100A1037 2-Pack
Our Price: $40.99
Retail: $60.00
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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: $43.50
Retail: $55.00
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FiltersFast Brand Trion 16x25x5 Air Bear MERV13 2-Pack
(FFC16255TABM13)

The FiltersFast Brand Trion 16x25x5 Air Bear MERV13 2-Pack Furnace Filter is the compatible version of the genuine Trion Air Bear Media AC Filter 16x25x5, 255649-105.

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FiltersFast Brand Trion 16x25x5 Air Bear MERV13 2-Pack
Our Price: $94.00
Retail: $100.00
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FiltersFast DSG401M11FF Comp For Aprilaire #401 Media Filter
(SG4PR-B)

The Space-Gard MERV 11 Compatible Media Filter 2-Pack is a two pack of compatible replacement air filters for the Aprilaire Model 2400 Air Cleaner. Model #401.


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FiltersFast DSG401M11FF Comp For Aprilaire #401 Media Filter
Our Price: $51.98
Retail: $59.99
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Lennox X8790 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 MERV 16 Air Filter Replacement
Our Price: $120.95
Retail: $229.00
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Filters Fast - Air Filters

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