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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
    • Custom Air Filters
    • Humidifier Filters
    • Rigid Cell Filters
    • Whole house air filters

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  →

Shop by MERV Rating

MERV ratings explained  →

Shop by Type

Pleated Filters
Deep Pleat Filters
Humidifier Filters

What Customers are Saying

5
Verified Buyer

I recently purchased filters and was very pleased with the ease and speed of the the purchase and delivery. I have an odd size filter that can't be purchased at regular stores so it was wonderful to see that FilterBuy has any size that you can imagine.

Jeff S.

5
Verified Buyer

Easy to order, good price and were delivered in no time.

Joe M.

5
Verified Buyer

Easy website, extensive filter sizes, quick delivery.

Chad B.

5
Verified Buyer

I am very happy with your filters. The choices of filtration is great compared to the box hardware stores. The fit is correct and the prices very good. I will order more as I have continuously since I found your site.

Dennis S.

5
Verified Buyer

FilterBuy had my filter size at a reasonable price and has the means to deliver filters on schedule at a discount. The filters arrived undamaged and fit like a glove. Thank you for making this purchase so easy.

Eugene M.

5
Verified Buyer

Great filter and a great price. Very happy with my purchase. I will buy again.

Patrick A.

5
Verified Buyer

I am always happy with the service I receive from FilterBuy. Fast delivery. I will always be ordering from here. Very happy customer!!

Jackie N.

5
Verified Buyer

FilterBuy takes the hassle out of schlepping out to the box store to buy HVAC filters. They have all the sizes and ship quickly for free too! This is the only way to buy filters.

Andrew K.

5
Verified Buyer

I have an odd size furnace filter, awesome to find it on FilterBuy, and so easy to order! Shipping was quick too, I'll be buying my filters here from now on.

Scott M.

5
Verified Buyer

Wish I had signed up a long time ago, makes the filter replacement quick and easy, and without the hassle of forgetting to replace or having to run to the store - only to find out they don't carry your size in stock! Love FilterBuy! Thanks for such an amazing service!

Nicholas F.

5
Verified Buyer

I have purchased filters several times from FilterBuy. The quality, convenience, reminder emails and speedy delivery have all led me to realize there would be nowhere else I would rather purchase my HVAC filters from. Thanks for your great customer service!

Nicolette H.

5
Verified Buyer

Very easy to order. Delivery was quick. Easily found the size filter I needed.

Paulette V.

5
Verified Buyer

I recently purchased filters and was very pleased with the ease and speed of the the purchase and delivery. I have an odd size filter that can't be purchased at regular stores so it was wonderful to see that FilterBuy has any size that you can imagine.

Jeff S.

5
Verified Buyer

Easy to order, good price and were delivered in no time.

Joe M.

5
Verified Buyer

Easy website, extensive filter sizes, quick delivery.

Chad B.

5
Verified Buyer

I am very happy with your filters. The choices of filtration is great compared to the box hardware stores. The fit is correct and the prices very good. I will order more as I have continuously since I found your site.

Dennis S.

5
Verified Buyer

FilterBuy had my filter size at a reasonable price and has the means to deliver filters on schedule at a discount. The filters arrived undamaged and fit like a glove. Thank you for making this purchase so easy.

Eugene M.

5
Verified Buyer

Great filter and a great price. Very happy with my purchase. I will buy again.

Patrick A.

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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