Discount Water Filters and Air Filters at Discount Filter Store.com

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Air Conditioner & Furnace Air Filters By Brand

Whether you’re looking for one air conditioner/ furnace filter to replace your old dirty one or to stock up on furnace air filters, Discount Filter Store can help, by providing you with more, for less.  We offer air conditioner filters from some of the industry’s top manufacturers including 3M Filtrete, Bryant, Aprilaire, Honeywell, and more.

Not sure which filter is right for your home?  Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer all your air filter questions.

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  1. 3M Filtrete 600 Dust & Pollen Air Filter (24x24x1)

    3M Filtrete 600 Dust & Pollen Air Filter (24x24x1)

    1 inch filters, MERV Rating = 8 Learn More

    (Retail Price: $119.59 ) $95.99

  2. 3M Filtrete 600 Dust & Pollen Air Filter (12x30x1)

    3M Filtrete 600 Dust & Pollen Air Filter (12x30x1)

    1 inch filters, MERV Rating = 8 Learn More

    (Retail Price: $119.59 ) $69.99

  3. 3M Filtrete 600 Dust & Pollen Air Filter (16x16x1)

    3M Filtrete 600 Dust & Pollen Air Filter (16x16x1)

    1 inch filters, MERV Rating = 8 Learn More

    (Retail Price: $94.29 ) $66.99

  4. 3M Filtrete 600 Dust & Pollen Air Filter (18x30x1)

    3M Filtrete 600 Dust & Pollen Air Filter (18x30x1)

    1 inch filters, MERV Rating = 8 Learn More

    (Retail Price: $111.54 ) $74.99

  5. 3M Filtrete 600 Dust & Pollen Air Filter (16x24x1)

    3M Filtrete 600 Dust & Pollen Air Filter (16x24x1)

    1 inch filters, MERV Rating = 8 Learn More

    (Retail Price: $91.99 ) $69.99

  6. 16x25x01 Antimicrobial Merv 8 Refillable Grid Air Filter by Tier1

    Tier1 Refillable Grid and Merv 8 Antimicrobial Media Air Filter - 16x25x01

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $16.99 MSRP:  $21.99
  7. DPFI16X20X4 Tier1 Replacement Air Filter - 16X20X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1000M-100 - 16 x 20 x 4 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000M and ACM1000M Learn More
    $34.16 MSRP:  $41.58
  8. DPFI16X21X5 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1000-100 - 16 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
    $54.87 MSRP:  $65.40
  9. DPFI16X21X5DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 16 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
    $54.87 MSRP:  $65.40
  10. DPFI16X21X5DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 16 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
    $54.87 MSRP:  $65.40
  11. DPFI16X21X5DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for Emerson - 16 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
    $54.87 MSRP:  $65.40
  12. DPFI16X25X4 Tier1 Replacement Air Filter - 16X25X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1400M-100 - 16 x 25 x 4 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400M and ACM1400M Learn More
    $38.07 MSRP:  $46.08
  13. DPFI16X26X5 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers F825-0548 & FR1400-100 - 16 x 26 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400 and ACM1400 Learn More
    $52.64 MSRP:  $62.84
  14. DPFI16X26X5DCM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 16 x 26 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400 and ACM1400 Learn More
    $52.64 MSRP:  $62.84
  15. DPFI16X26X5DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 16 x 26 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400 and ACM1400 Learn More
    $52.64 MSRP:  $62.84
  16. DPFI16X26X5DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Emerson - 16 x 26 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400 and ACM1400 Learn More
    $52.64 MSRP:  $62.84
  17. DPFI16X26X5DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0584 - 16 x 26 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC-14CE Learn More
    $53.72 MSRP:  $64.08
  18. DPFI20X20X4 Tier1 Replacement Air Filter - 20X20X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1600M-100 - 20 x 20 x 4 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600M and ACM1600M Learn More
    $35.83 MSRP:  $43.50
  19. DPFI20X21X5 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers F825-0586 & FR1600-100 - 20 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
    $62.72 MSRP:  $74.43
  20. DPFI20X21X5DCM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 20 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
    $62.72 MSRP:  $74.43
  21. DPFI20X21X5DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 20 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
    $62.72 MSRP:  $74.43
  22. DPFI20X21X5DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Emerson - 20 x 21 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
    $62.72 MSRP:  $74.43
  23. DPFI20X25X4 Tier1 Replacement Air Filter - 20X25X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR2000M-100 - 20 x 25 x 4 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000M and ACM2000M Learn More
    $35.83 MSRP:  $43.50
  24. DPFI20X25X5 Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR2000U-108 & FR2000U-110 - 20 x 25 x 5 - MERV 8 (2-Pack)

    Fits air cleaner models Honeywell F100F2010, Lennox BMAC-20C, White-Rodgers ACB2000-101, ACB2000U, ACM2000-101 , ACM2000U and many others Learn More
    $49.27 MSRP:  $58.96
  25. DPFI20X26X5 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers F825-0549 & FR2000-100 - 20 x 26 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
    $52.64 MSRP:  $62.84

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