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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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Items 1 to 25 of 39 total

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  1. 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 Retail Price:  $64.08
  2. DPFI16X26X5M11DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0584 - 16 x 26 x 5 - MERV 11 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC-14CE Learn More
    $62.68 Retail Price:  $74.38
  3. DPFI16X26X5M13DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0584 - 16 x 26 x 5 - MERV 13 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC-14CE Learn More
    $69.40 Retail Price:  $82.11
  4. DPFI20X26X5DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0587 - 20 x 26 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC20-CE Learn More
    $53.72 Retail Price:  $64.08
  5. DPFI20X26X5M11DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0587 - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC20-CE Learn More
    $62.68 Retail Price:  $74.38
  6. DPFI20X26X5M13DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0587 - 20 x 26 x 5 - MERV 13 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC20-CE Learn More
    $69.40 Retail Price:  $82.11
  7. DPFL16X26X5 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X8789 - 16 x 26 x 5 - MERV 8 (2-Pack)

    Fits Lennox model number PCO16-28 Learn More
    $52.64 Retail Price:  $62.84
  8. DPFL16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X8789 - 16 x 26 x 5 - MERV 11 (2-Pack)

    Fits Lennox model number PCO16-28 Learn More
    $61.60 Retail Price:  $73.14
  9. DPFL16X26X5M13 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X8789 - 16 x 26 x 5 - MERV 13 (2-Pack)

    Fits Lennox model number PCO16-28 Learn More
    $68.32 Retail Price:  $80.87
  10. DPFL20X21X5 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Lennox X8790 - 20 x 21 x5 - MERV 8 (2-Pack)

    Fits Lennox Pure Air model number PCO14-23 Learn More
    $52.64 Retail Price:  $62.84
  11. DPFL20X21X5M11 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Lennox X8790 - 20 x 21 x5 - MERV 11 (2-Pack)

    Fits Lennox Pure Air model number PCO14-23 Learn More
    $61.60 Retail Price:  $73.14
  12. DPFL20X21X5M13 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Lennox X8790 - 20 x 21 x5 - MERV 13 (2-Pack)

    Fits Lennox Pure Air model number PCO14-23 Learn More
    $68.32 Retail Price:  $80.87
  13. DPFL20X26X5 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X8788 - 20 x 26 x 5 - MERV 8 (2-Pack)

    Fits Lennox model number PCO20-28 Learn More
    $52.64 Retail Price:  $62.84
  14. DPFL20X26X5M11 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X8788 - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits Lennox model number PCO20-28 Learn More
    $61.60 Retail Price:  $73.14
  15. DPFL20X26X5M13 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X8788 - 20 x 26 x 5 - MERV 13 (2-Pack)

    Fits Lennox model number PCO20-28 Learn More
    $68.32 Retail Price:  $80.87
  16. DPFR16X25X3DLX Tier1 Replacement Air Filter - 16X25X3 (3-Pack)

    Tier1 brand replacement for Lennox X0581 - 16 x 25 x 3 - MERV 8 (3-Pack)

    Fits Lennox Healthy Climate model number BMAC-12C and P101-MF12 Learn More
    $73.85 Retail Price:  $87.23
  17. DPFR16X25X3M11DLX Tier1 Replacement Air Filter - 16X25X3 (3-Pack)

    Tier1 brand replacement for Lennox X0581 - 16 x 25 x 3 - MERV 11 (3-Pack)

    Fits Lennox Healthy Climate model number BMAC-12C and P101-MF12 Learn More
    $80.57 Retail Price:  $94.96
  18. DPFR16X25X3M13DLX Tier1 Replacement Air Filter - 16X25X3 (3-Pack)

    Tier1 brand replacement for Lennox X0581 - 16 x 25 x 3 - MERV 13 (3-Pack)

    Fits Lennox Healthy Climate model number BMAC-12C and P101-MF12 Learn More
    $94.01 Retail Price:  $110.41
  19. DPFR20X25X5DLX Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Lennox X1152 - 20 x 25 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model numbers BMAX-20C, BMAX-20CE, 2000, 3152, MAC-10 Learn More
    $55.96 Retail Price:  $66.65
  20. 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
  21. 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
  22. DPFS16X28X6DLX Tier1 Replacement Air Filter - 16X28X6 (2-Pack)

    Tier1 brand replacement for Lennox X5425 - 16 x 28 x 6 - MERV 8 (2-Pack)

    Fits Lennox and Healthy Climate model number PMAC12-C Learn More
    $53.27 Retail Price:  $63.56
  23. DPFS16X28X6M11DLX Tier1 Replacement Air Filter - 16X28X6 (2-Pack)

    Tier1 brand replacement for Lennox X5425 - 16 x 28 x 6 - MERV 11 (2-Pack)

    Fits Lennox and Healthy Climate model number PMAC12-C Learn More
    $62.68 Retail Price:  $74.38
  24. DPFS16X28X6M13DLX Tier1 Replacement Air Filter - 16X28X6 (2-Pack)

    Tier1 brand replacement for Lennox X5425 - 16 x 28 x 6 - MERV 13 (2-Pack)

    Fits Lennox and Healthy Climate model number PMAC12-C Learn More
    $71.64 Retail Price:  $84.69
  25. DPFS20X25X6DLX Tier1 Replacement Air Filter - 20X25X6 (2-Pack)

    Tier1 brand replacement for Lennox X0445 - 20 x 25 x 6 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number PMAC20-C Learn More
    $53.27 Retail Price:  $63.56

Items 1 to 25 of 39 total

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