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  • Size
    • 1″ Air Filters
      • 10 x 10 x 1″
      • 12 x 12 x 1″
      • 12 x 20 x 1″
      • 12 x 24 x 1″
      • 12 x 30 x 1″
      • 14 x 14 x 1″
      • 14 x 20 x 1″
      • 14 x 24 x 1″
      • 14 x 25 x 1″
      • 14 x 30 x 1″
    • 1″ Air Filters
      • 16 x 16 x 1″
      • 16 x 20 x 1″
      • 16 x 24 x 1″
      • 16 x 25 x 1″
      • 18 x 18 x 1″
      • 18 x 20 x 1″
      • 18 x 24 x 1″
      • 18 x 30 x 1″
    • 1″ Air Filters
      • 20 x 20 x 1″
      • 20 x 22 x 1″
      • 20 x 24 x 1″
      • 20 x 25 x 1″
      • 20 x 30 x 1″
      • 24 x 24 x 1″
      • 24 x 30 x 1″
      • 25 x 25 x 1″
      • Click here to see a list of ALL of our sizes
    • 2″ Air Filters
      • 16 x 20 x 2″
      • 16 x 25 x 2″
      • 18 x 24 x 2″
      • 20 x 20 x 2″
      • 20 x 25 x 2″
      • 24 x 24 x 2″
      • Click here to see a list of ALL of our sizes
    • 4″ Air Filters
      • 16 x 25 x 4″
      • 20 x 20 x 4″
      • 20 x 25 x 4″
      • 24 x 24 x 4″
      • Click here to see a list of ALL of our sizes
    • Click here to see a list of ALL of our sizes
  • Brand
    • Brand Column 1
      • Air Bear
      • Air Demon
      • Air Guard
      • Air Kontrol
      • Amana
      • American Standard
      • Aprilaire
    • Brand Column 2
      • BDP
      • Bryant
      • Carrier
      • Coleman
      • Comfort Plus
      • Day and Night
      • Electro-Air
    • Brand Column 3
      • Emerson
      • Five Seasons
      • GeneralAire
      • Gibson
      • Goodman
      • Honeywell Filters
      • Lennox
    • Brand Column 4
      • Maytag
      • Nordyne
      • Payne
      • Pro1 IAQ
      • Rheem
      • Ruud
      • Skuttle Media Filters
    • Brand Column 5
      • Space-Gard
      • Totaline
      • Trane
      • Trion Air Bear
      • Ultravation
      • White Rodgers
      • York
      • See ALL of our brand replacement filters
  • Type
    • 1″ air filters
    • 2″ air filters
    • 4″ air filters
    • 16x25x5 Air Filters
    • 20x25x5 Air Filters
    • Air Purifier Filters
    • Custom Air Filters
    • Humidifier Filters
    • Whole house air filters
    • Vacuum Cleaner Filters
    • Vacuum Cleaner Bags

Quality Air & Furnace Filter Replacements

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Shop by Size

1" Filters
10 x 10 x 1
12 x 12 x 1
12 x 20 x 1
12 x 24 x 1
12 x 30 x 1
14 x 14 x 1
14 x 20 x 1
14 x 24 x 1
14 x 25 x 1
14 x 30 x 1
16 x 16 x 1
16 x 20 x 1
16 x 24 x 1
16 x 25 x 1
18 x 18 x 1
18 x 20 x 1
18 x 24 x 1
18 x 30 x 1
20 x 20 x 1
20 x 22 x 1
20 x 24 x 1
20 x 25 x 1
20 x 30 x 1
24 x 24 x 1
24 x 30 x 1
25 x 25 x 1
More Sizes...
2" Filters
16 x 20 x 2
16 x 25 x 2
18 x 24 x 2
20 x 20 x 2
20 x 25 x 2
24 x 24 x 2
More Sizes...
4" Filters
16 x 25 x 4
20 x 20 x 4
20 x 25 x 4
24 x 24 x 4
More Sizes...

Shop by Compatible Brand

All brand replacement filters  →

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MERV ratings explained  →

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Pleated Filters
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Humidifier Filters
Air Purifier Filters

What Customers are Saying

5
Verified Buyer

Apparently I have a uniquely sized air vent in this 1913 home with a 4-year-old HVAC system. FilterBuy.com quickly made the custom filters and had them to my house within a matter of days. Very pleased with the purchase and quality of these filters.

James L.

5
Verified Buyer

I have seen a big difference in air quality in the house as the air doesn’t look like a smoke cloud when the sun shines through the window. But unfortunately the air ducts are really dirty. This filter has made a difference and has not affected the furnace functionality.

Claude C.

5
Verified Buyer

Easy to pick out the size I needed on the website, good price, arrived quickly, and so far seem to be great quality. Wish every online shopping experience was this good.

Todd K.

5
Verified Buyer

I ordered and received two different sets of custom filters that arrived promptly and were of good quality. Both were sized to fit perfectly in their respective vent grills. Thanks for the good work!

Tom R.

5
Verified Buyer

Everything went well from the first phone call to delivery.

Greg K.

5
Verified Buyer

Very easy to order, quick and accurate delivery!

Robert S.

5
Verified Buyer

Great way to buy filters!! So easy and fast delivery!

Kelly S.

5
Verified Buyer

Received before expected. Great price. Free shipping was beyond what I expected. Don’t know how they can do that with the price of the product. Hope they made a profit! Products were beyond my expectations. Will continue to use them and will recommend to others.

Gregory C.

5
Verified Buyer

Installed new AC unit but couldn’t find the correct size filter in any store. Not only did FilterBuy have them but good quality and free shipping.

Manuel G.

5
Verified Buyer

Exceptional customer service. Prompt shipment. I will definitely buy in future and recommend to friends.

Hasmukhrai P.

5
Verified Buyer

Moved into a new home and found out that the filters for our air conditioner were an odd size that aren’t carried at any retail store in our area. Found FilterBuy online and ordered our filters from them. Thank you FilterBuy.

Janet B.

5
Verified Buyer

Quick easy and exactly what I need! Very glad they keep my filter in stock!

Jennifer S.

5
Verified Buyer

Apparently I have a uniquely sized air vent in this 1913 home with a 4-year-old HVAC system. FilterBuy.com quickly made the custom filters and had them to my house within a matter of days. Very pleased with the purchase and quality of these filters.

James L.

5
Verified Buyer

I have seen a big difference in air quality in the house as the air doesn’t look like a smoke cloud when the sun shines through the window. But unfortunately the air ducts are really dirty. This filter has made a difference and has not affected the furnace functionality.

Claude C.

5
Verified Buyer

Easy to pick out the size I needed on the website, good price, arrived quickly, and so far seem to be great quality. Wish every online shopping experience was this good.

Todd K.

5
Verified Buyer

I ordered and received two different sets of custom filters that arrived promptly and were of good quality. Both were sized to fit perfectly in their respective vent grills. Thanks for the good work!

Tom R.

5
Verified Buyer

Everything went well from the first phone call to delivery.

Greg K.

5
Verified Buyer

Very easy to order, quick and accurate delivery!

Robert S.

Get in Touch

Have questions about a product? Need to return or exchange a recent order? We're ready to help you!

  • Phone:(855) 345-8289
  • Fax:(256) 761-2565
  • Email:info@filterbuy.com
  • Address:101 Pope St, Talladega, AL 35160

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