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. DPFI16X20X4M11 Tier1 Replacement Air Filter - 16X20X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1000M-100 - 16 x 20 x 4 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000M and ACM1000M Learn More
  2. DPFI16X21X5M11 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1000-100 - 16 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
  3. DPFI16X21X5M11DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 16 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
  4. DPFI16X21X5M11DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 16 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
  5. DPFI16X21X5M11DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)

    Tier1 brand replacement for Emerson - 16 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1000, ACM1000 and 0121-018000 Learn More
  6. DPFI16X25X4M11 Tier1 Replacement Air Filter - 16X25X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1400M-100 - 16 x 25 x 4 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400M and ACM1400M Learn More
  7. DPFI16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  8. DPFI16X26X5M11DCM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 16 x 26 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400 and ACM1400 Learn More
  9. DPFI16X26X5M11DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 16 x 26 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1400 and ACM1400 Learn More
  10. DPFI16X26X5M11DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)

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

    Fits White-Rodgers air cleaner models ACB1400 and ACM1400 Learn More
  11. 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
  12. DPFI20X20X4M11 Tier1 Replacement Air Filter - 20X20X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1600M-100 - 20 x 20 x 4 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600M and ACM1600M Learn More
  13. DPFI20X21X5M11 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers F825-0586 & FR1600-100 - 20 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
  14. DPFI20X21X5M11DCM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 20 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
  15. DPFI20X21X5M11DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 20 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
  16. DPFI20X21X5M11DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Emerson - 20 x 21 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB1600, ACM1600 and 0121-018200 Learn More
  17. DPFI20X25X4M11 Tier1 Replacement Air Filter - 20X25X4 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR2000M-100 - 20 x 25 x 4 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000M and ACM2000M Learn More
  18. DPFI20X25X5M11 Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR2000U-108 & FR2000U-110 - 20 x 25 x 5 - MERV 11 (2-Pack)

    Fits air cleaner models Honeywell F100F2010, Lennox BMAC-20C, White-Rodgers ACB2000-101, ACB2000U, ACM2000-101 , ACM2000U and many others Learn More
  19. DPFI20X26X5M11 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  20. DPFI20X26X5M11DCM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  21. DPFI20X26X5M11DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  22. DPFI20X26X5M11DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

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

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  23. 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
  24. DPFL16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  25. 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

Items 1 to 25 of 155 total

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