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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.

Search by filter size

Items 1 to 25 of 616 total

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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. Aprilaire 401 Air Purifier Replacement Filter

    Aprilaire 401 Air Purifier Replacement Filter

    Fits Aprilaire air cleaner model 2400 Learn More
    $32.99 Retail Price:  $45.99
  3. 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

  4. 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

  5. 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

  6. 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

  7. DPFR20X25X5M11DTL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)
  8. DPFR20X25X5M11DSL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Skuttle #000-0448-002 - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaners GeneralAire Mega-MAC MAC2000/14001, Trion / Air Bear Supreme 2000, Skuttle DB-25-20 and Ultravation 90-007 Learn More
    $60.44 Retail Price:  $71.81
  9. DPFR20X25X5M11DPU Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Purolator - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaner systems that use 20 x 25 x 5 filters Learn More
    $60.44 Retail Price:  $71.81
  10. DPFR20X25X5M11DPN Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Payne - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $60.44 Retail Price:  $71.81
  11. DPFR20X25X5M11DLX Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Lennox X1152 - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits Lennox Healthy Climate model numbers BMAX-20C, BMAX-20CE, 2000, 3152, MAC-10 Learn More
    $60.44 Retail Price:  $71.81
  12. DPFR20X25X5M11DGL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for GeneralAire 14201 & 5FM2025 / 4501 - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaner models GeneralAire Mega-MAC MAC2000/14001, Trion / Air Bear Supreme 2000, Skuttle DB-25-20 and Ultravation 90-007 Learn More
    $60.44 Retail Price:  $71.81
  13. DPFR20X25X5M11DDN Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Day & Night - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $60.44 Retail Price:  $71.81
  14. DPFR20X25X5M11DUL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Ultravation #91-006 - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits various air cleaner models made by Ultravation Learn More
    $60.44 Retail Price:  $71.81
  15. DPFR20X25X5M13DAK Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    20x25x5 DPP52025 Air Kontrol Air Filter MERV 13: Comparable Tier1 Replacement (2-Pack)

    2-pack of air filters that fit into the Air Kontrol Dust Patroller DP2000 air cleaner Learn More
    $67.16 Retail Price:  $79.53
  16. DPFR20X25X5M13DAR Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Armstrong - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits Armstrong air cleaner models AE20A-1, AMC20A-1 and ABS20A-1 Learn More
    $67.16 Retail Price:  $79.53
  17. DPFR20X25X5M13DBP Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for BDP - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $67.16 Retail Price:  $79.53
  18. DPFR20X25X5M13DBT Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Bryant - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $67.16 Retail Price:  $79.53
  19. DPFR20X25X5M13DCR Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Carrier - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $67.16 Retail Price:  $79.53
  20. DPFR20X25X5M13DDN Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Day & Night - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $67.16 Retail Price:  $79.53
  21. DPFR20X25X5M13DGL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for GeneralAire 14201 & 5FM2025 / 4501 - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits air cleaner models GeneralAire Mega-MAC MAC2000/14001, Trion / Air Bear Supreme 2000, Skuttle DB-25-20 and Ultravation 90-007 Learn More
    $67.16 Retail Price:  $79.53
  22. DPFR20X25X5M13DLX Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Lennox X1152 - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits Lennox Healthy Climate model numbers BMAX-20C, BMAX-20CE, 2000, 3152, MAC-10 Learn More
    $67.16 Retail Price:  $79.53
  23. DPFR20X25X5M13DPN Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Payne - 20 x 25 x 5 - MERV 13 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $67.16 Retail Price:  $79.53
  24. DPFR20X25X5M11DCR Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Carrier - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $60.44 Retail Price:  $71.81
  25. DPFR20X25X5M11DBT Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 Air Cleaner Filter for Bryant - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $60.44 Retail Price:  $71.81

Items 1 to 25 of 616 total

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