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Find Replacement Air Filters Fast & Easy!

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


Filters Fast Odor Killer Air Filter, 12-pack
(FFOKM8)

The Filters Fast Odor Killer is a MERV 8 two-stage carbon blended filter designed to "kill" odors such as cigarette smoke, pet odors, irritating gases, cooking odors and other bad odors that might be affecting your indoor air quality.


Discontinued Product Read Description.
Filters Fast Odor Killer Air Filter, 12-pack
Our Price: $99.00
Retail: $100.00
You Save 1%!

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Filtrete FAP04-RC Ultra-Slim Air Purifier
(FAP04-RC)

The Filtrete FAP04-RC Ultra-Slim Air Purifier is only 4 inches thick so it can fit virtually anywhere in your home or office where cleaner air is needed! Its sleek design and features make this a desirable upgrade those looking to improve indoor air

Free shipping within the continental United States!

Discontinued Product Read Description.
Filtrete FAP04-RC Ultra-Slim Air Purifier
Our Price: $189.00
Retail: $199.99
You Save 5%!

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Filtrete Advanced Allergen (Deep Blue) 6-pack
(Advanced Allergen 6pack)

The Advanced Allergen Air Filter is the newest, most advanced high-performance filter from Filtrete. No Competitor's #1 Filter Performs Better! It even out performs the Filtrete Ultra Allergen--previously the #1 Performance Filter on the Market.

Free shipping within the continental United States!

Discontinued Product Read Description.
Filtrete Advanced Allergen (Deep Blue) 6-pack
Our Price: $110.00
Retail: $126.00
You Save 13%!

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3M Filtrete 4 Inch Allergen Media Filter 4-pack
(4 inch Allergen 4-pack)

3M Filtrete Allergen Reduction Filter for Media Air Cleaners are the smart choice if you're looking to upgrade or retrofit the air filter in your existing HVAC system. Captures 97% of large airborne allergens like pollen, mold spores, & dust mites.

Free shipping within the continental United States!

Discontinued Product Read Description.
3M Filtrete 4 Inch Allergen Media Filter 4-pack
Our Price: $128.00
Retail: $146.00
You Save 12%!

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Holmes HAPF58 HEPA Filter
(HAPF58)

The Holmes HAPF58 HEPA Filter is designed to fit Holmes HAP580 Air Filter and trap microscopic allergens and dust. Guaranteed HEPA filter efficiency over 99.97 % at 0.3 microns.

Free shipping within the continental United States!

Discontinued Product Read Description.
Holmes HAPF58 HEPA Filter
Our Price: $123.99
Retail: $130.19
You Save 5%!

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Bionaire PERMAtech BAP1500U Air Cleaner
(BAP1500U)

The Bionaire PERMAtech BAP1500UAir Cleaner, part number BAP1500BPF15, is a high-efficiency Ionizing Air Purifier that cleans your air quietly and efficiently without the hassle of filter replacement! The BAP-1500BPF15-U is designed for medium sized

Free shipping within the continental United States!

Discontinued Product Read Description.
Bionaire PERMAtech BAP1500U Air Cleaner
Our Price: $99.99
Retail: $293.00
You Save 66%!

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Bionaire Everfesh Air Filter - Bionaire APF20
(APF20)

The Bionaire APF20 Filter is the washable pre-filter for the Bionaire BAP336-MU Everfresh Air Exchange System. The Bionaire Everfresh Air Exchange System is an easy-to-install window unit that cycles in clean, fresh air, while cycling out undesirab


Discontinued Product Read Description.
Bionaire Everfesh Air Filter - Bionaire APF20
Our Price: $3.99
Retail: $5.00
You Save 20%!

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Honeywell Replacement HEPA Filter, 29500
(29500)

The Honeywell 29500 Replacement HEPA Filter fits Honeywell models 50300, 53000 Series, 50311, 64500, and Kenmore model 83163. Genuine Honeywell Part.


Discontinued Product Read Description.
Honeywell Replacement HEPA Filter, 29500
As Low As: $91.00
Retail: $143.76
You Save 37%!

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Filtrete Custom Size Air Filter 6-Pack
(Custom Filtrete)

Can't find the size air filter you need? We can now provide custom size air filters to fit your needs! Custom sizes available in the Ultra Allergen Series and are subject to requirements. To view these requirements please click view details...

Free shipping within the continental United States!

Discontinued Product Read Description.
Filtrete Custom Size Air Filter 6-Pack
Our Price: $186.81
Retail: $196.15
You Save 5%!

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Holmes HWF100 Humidifier Replacement Filter 3-Pack
(HWF100)

Holmes, Harmony Humidifier HWF100 Humidifier Filter features Microban technology and is designed for use with Humidifier Models: HM630, HM729, HM4600, HM6000, HM6000RC, HM6005, HM6600, HM7204, HM7305, HM7305RC, HM7306, BCM645, BCM5520RC, and more...


Discontinued Product Read Description.
Holmes HWF100 Humidifier Replacement Filter 3-Pack
Our Price: $14.00
Retail: $17.00
You Save 18%!

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Honeywell Replacement HEPA Filter, 20500
(20500)

The Honeywell 20500 Replacement HEPA Filter fits Honeywell models 10500 (EV-10), 17000, and 17005. Genuine Honeywell part.


Discontinued Product Read Description.
Honeywell Replacement HEPA Filter, 20500
Our Price: $59.00
Retail: $60.00
You Save 2%!

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Filtrete Advanced Allergen Air Filter (Deep Blue)
(Advanced Allergen)

The Advanced Allergen Air Filter is the newest, most advanced high-performance filter from Filtrete. No Competitor's #1 Filter Performs Better! It even out performs the Filtrete Ultra Allergen--previously the #1 Performance Filter on the Market.


Discontinued Product Read Description.
Filtrete Advanced Allergen Air Filter (Deep Blue)
Our Price: $18.99
Retail: $21.00
You Save 10%!

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Plane Clean Air Filter
(Plane Clean Air)

The Plane Clean Air Filter is a filter designed to help you breathe easier while you fly! It attaches easily to the overhead nozzle in most planes and removes 99.5% of all bacteria and viruses from the air stream! View Details for more ....


Discontinued Product Read Description.
Plane Clean Air Filter
Our Price: $19.95
Retail: $20.95
You Save 5%!

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3M Filtrete 4 Inch Allergen Reduction Filter
(4 inch Allergen)

3M Filtrete Allergen Reduction Filter for Media Air Cleaners are the smart choice if you're looking to upgrade or retrofit the air filter in your existing HVAC system. Captures 97% of large airborne allergens like pollen, mold spores, & dust mites.


Discontinued Product Read Description.
3M Filtrete 4 Inch Allergen Reduction Filter
As Low As: $60.32
Retail: $69.99
You Save 14%!

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Plane Clean Air Replacement Filter
(PCA Replacement)

The Plane Clean Air Replacement Filter is a necessity for the frequent flyer that uses the Plane Clean Air Filter Attachments. Includes 1 filter and 2 adhesive gaskets.


Discontinued Product Read Description.
Plane Clean Air Replacement Filter
Our Price: $5.99
Retail: $6.95
You Save 14%!

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Whirlpool Whispure 1183050 HEPA Filter
(1183050)

This product, 1183050, has been discontinued. If you have the Whirlpool Model AP150 or AP15030 you will need to purchase filter 1183051.


Discontinued Product Read Description.
Whirlpool Whispure 1183050 HEPA Filter
Our Price: $58.00
Retail: $65.00
You Save 11%!

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Holmes HAPF22, 9000439 HEPA Replacement Filter
(HAPF22)

The Holmes HAPF22, 9000439 HEPA Replacement Filter is a HEPA filter with an activated carbon layer, great for trapping microscopic allergens & dust. Made for use in Holmes models HAP220, HAP221, HAP223, and HAP2234.


Discontinued Product Read Description.
Holmes HAPF22, 9000439 HEPA Replacement Filter
Our Price: $13.99
Retail: $14.99
You Save 7%!

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APF2, 9000496 Washable Foam Pre-Filter 2-pack
(APF2)

The Holmes APF2 has been discontinued with no replacement. If you are interested in purchasing a new air purifier, consider the Filtrete Ultra Clean Air Purifier for large or small rooms.


Discontinued Product Read Description.
APF2, 9000496 Washable Foam Pre-Filter 2-pack
Our Price: $4.99
Retail: $5.99
You Save 17%!

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Holmes, FitRite HAPF24 HEPA Filter, 9000440
(HAPF24)

The Holmes, FitRite HAPF24 HEPA Filter is the main filter used in Holmes models HAP245, HAP250, HAP2504, and HAP251. Also known as part number 9000440 and HAPF24CS.


Discontinued Product Read Description.
Holmes, FitRite HAPF24 HEPA Filter, 9000440
Our Price: $26.99
Retail: $29.99
You Save 10%!

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APF3, 9000498 Washable Foam Pre-Filter, 2pack
(9000498)

The Holmes APF3 has been discontinued with no replacement. If you are interested in purchasing a new air purifier, consider the Filtrete Ultra Clean Air Purifier for large or small rooms.


Discontinued Product Read Description.
APF3, 9000498 Washable Foam Pre-Filter, 2pack
Our Price: $4.99
Retail: $5.99
You Save 17%!

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Filtrete Ultra Clean Air Purifier (Small Rooms)
(FAP02-RS)

The Filtrete Ultra Clean Air Purifier is "The Smart Way to Clean Your Air." More effective than a HEPA unit & 99.9% effective at capturing airborne allergens, this product is a must have for people concerned with the quality of their indoor air.

Free shipping within the continental United States!

Discontinued Product Read Description.
Filtrete Ultra Clean Air Purifier (Small Rooms)
Our Price: $110.24
Retail: $199.99
You Save 45%!

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Filtrete Ultra Clean Air Purifier (Large Rooms)
(FAP03-RS)

The Filtrete Ultra Clean Air Purifier is "The Smart Way to Clean Your Air." More effective than a HEPA unit & 99.9% effective at capturing airborne allergens, this product is a must have for people concerned with the quality of their indoor air.

Free shipping within the continental United States!

Discontinued Product Read Description.
Filtrete Ultra Clean Air Purifier (Large Rooms)
Our Price: $167.78
Retail: $249.99
You Save 33%!

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Holmes HAP243 Table Top Hepa Air Purifier
(HAP243)

The Holmes HAPF243 Table Top Hepa Air Purifier helps remove allergens and airborne particles from your indoor air, while reducing unpleasant odors. This table-top purifier is certified for rooms up to 10' x 11' in size.


Discontinued Product Read Description.
Holmes HAP243 Table Top Hepa Air Purifier
Our Price: $61.49
Retail: $78.00
You Save 21%!

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Holmes HAPF56, 9000489 Air Purifier Filter
(HAPF56)

The Holmes HAPF56, 9000489 Air Purifier Filter is the replacement filter for the Holmes HAP560, HAP-560, HAP561, HAP-561, HAP570, HAP-570, HAP5604, HAP-5604, WAP5600 and WAP-5600.


Discontinued Product Read Description.
Holmes HAPF56, 9000489 Air Purifier Filter
Our Price: $89.98
Retail: $90.98
You Save 1%!

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Holmes APF6 Air Purifier Carbon Pre-Filter
(APF6)

The Holmes APF6 carbon pre-filter is for use in your Holmes HAP 292 air purifier. This Holmes air pre-filter will remove large particles from the air. The Holmes APF6 air purifier works with 3 air filters, the pre-filter, hepa air filter and carbon


Discontinued Product Read Description.
Holmes APF6 Air Purifier Carbon Pre-Filter
Our Price: $9.99
Retail: $11.99
You Save 17%!

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Filters Fast - Air Filters

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