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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
      • AAF
      • Accumulair
      • Ace
      • Air Bear
      • Air Demon
      • Air Guard
      • Air Kontrol
      • Amana
      • American Standard
      • Aprilaire
      • Arm & Hammer
    • Brand Column 2
      • Armstrong
      • BDP
      • BestAirPro
      • Bryant
      • Carrier
      • ClimateMaster
      • Coleman
      • Comfort Plus
      • Day and Night
      • Dupont
      • Electro-Air
    • Brand Column 3
      • Emerson
      • Endust
      • Febreze
      • Five Seasons
      • Flanders
      • Frigidaire
      • GeneralAire
      • Gibson
      • Goodman
      • Honeywell Filters
      • Indigo
    • Brand Column 4
      • Kelvinator
      • Lennox
      • Maytag
      • Nordyne
      • Payne
      • Philco
      • Pro1 IAQ
      • Purolator
      • Rheem
      • Ruud
    • Brand Column 5
      • Skuttle Media Filters
      • Space-Gard
      • Tappan
      • Totaline
      • Trane
      • Trion Air Bear
      • Ultravation
      • Westinghouse
      • 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  →

Shop by MERV Rating

MERV ratings explained  →

Shop By Type

Pleated Filters
Deep Pleat Filters
Humidifier Filters
Air Purifier Filters

What Customers are Saying

5
Verified Buyer

100% satisfied with my purchase. These were even better quality than the OEM filters, yet they were identical in size and fit perfectly!

Nathan C.

5
Verified Buyer

Will definitely buy again. Better quality product than expected, delivered within days. Beat competitor delivery dates by 1-2 weeks with free shipping!

Matthew P.

5
Verified Buyer

Our system has an odd sized filter, but FilterBuy makes this easy. They have our size, it arrives quickly, it works perfectly and re-ordering is a snap! Thanks!

Sally F.

5
Verified Buyer

I have unusual furnace filter sizes. This website provides an excellent choice of filter sizes and value. The delivery was prompt. There was no problem.

Yannick G.

5
Verified Buyer

I cannot say enough about this company. They are fantastic to deal with and I will never buy filters anywhere else. The customer service CANNOT be beat!

Byron M.

5
Verified Buyer

Easy to deal with. Fast purchase and nice delivery time.

Joanne F.

5
Verified Buyer

The furnace filters came in a very timely manner and were exactly what we ordered and very cost effective.

Richard R.

5
Verified Buyer

Great place to buy filters. Good prices, good quality products and quick delivery.

Bradley F.

5
Verified Buyer

Ordering was easy, shipping was fast and packaged very well. This was a great experience! I especially like the quantity discount.

Clay B.

5
Verified Buyer

Very friendly and professional phone service. Filters arrived well packaged in a timely manner. This is my second year doing business with this company. Looking forward for more transactions!

Kenneth F.

5
Verified Buyer

The filters work great and I like the reminders every three months to change them.

Michael G.

5
Verified Buyer

Easy to order, much better pricing than retail stores, and fast delivery! Definitely recommend!

Valerie B.

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

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