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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 161 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. 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. DPFR20X25X5DAK Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    20x25x5 DPP52025 Air Kontrol Air Filter: Merv 8 Comparable Replacement By Tier1 (2-Pack)

    2-pack of filters designed to fit into the Air Kontrol Dust Patroller DP2000 air cleaner Learn More
    $55.96 Retail Price:  $66.65
  7. DPFR20X25X5DAR Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

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

    Fits Armstrong air cleaner models AE20A-1, AMC20A-1 and ABS20A-1 Learn More
    $55.96 Retail Price:  $66.65
  8. DPFR20X25X5DBP Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

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

    Fits air cleaner models Totaline P101-MF20 Learn More
    $55.96 Retail Price:  $66.65
  9. DPFR20X25X5DBT Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

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

    Fits air cleaner models Totaline P101-MF20 Learn More
    $55.96 Retail Price:  $66.65
  10. DPFR20X25X5DCR Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

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

    Fits air cleaner models Totaline P101-MF20 Learn More
    $55.96 Retail Price:  $66.65
  11. DPFR20X25X5DDC Tier1 Replacement Air Filter - 20x25x5 (2-Pack)

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

    Fits air cleaner systems that use 20 x 25 x 5 filters Learn More
    $55.96 Retail Price:  $66.65
  12. DPFR20X25X5DDN Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Day & Night - 20 x 25 x 5 - MERV 8 (2-Pack)

    Fits air cleaner models Totaline P101-MF20 Learn More
    $55.96 Retail Price:  $66.65
  13. DPFR20X25X5DGL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for GeneralAire 14201 & 5FM2025 / 4501 - 20 x 25 x 5 - MERV 8 (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
    $55.96 Retail Price:  $66.65
  14. 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
  15. DPFR20X25X5DPN Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

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

    Fits air cleaner models Totaline P101-MF20 Learn More
    $55.96 Retail Price:  $66.65
  16. DPFR20X25X5DPU Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

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

    Fits air cleaner systems that use 20 x 25 x 5 filters Learn More
    $55.96 Retail Price:  $66.65
  17. DPFR20X25X5DSL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Skuttle #000-0448-002 - 20 x 25 x 5 - MERV 8 (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
    $55.96 Retail Price:  $66.65
  18. DPFR20X25X5DTL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Totaline P101-2025 & P101-2025A - 20 x 25 x 5 - MERV 8 (2-Pack)

    Fits Totaline air cleaner model P101-MF20 Learn More
    $55.96 Retail Price:  $66.65
  19. DPFR20X25X5DUL Tier1 Replacement Air Filter - 20X25X5 (2-Pack)

    Tier1 brand replacement for Ultravation #91-006 - 20 x 25 x 5 - MERV 8 (2-Pack)

    Fits various air cleaner models made by Ultravation Learn More
    $55.96 Retail Price:  $66.65
  20. DPFS20X2525X350 Tier1 Replacement Air Filter - 20x25.25x3.5 (2-Pack)

    Tier1 brand replacement for Aprilaire #102 - 20 x 25.25 x 3.5 - MERV 8 (2-Pack)

    Fits Aprilaire/Space-Gard Model No. 2120 (Part #102) Learn More
    $52.63 Retail Price:  $62.82
  21. DPFS20X25X6 Tier1 Replacement Air Filter - 20X25X6 (2-Pack)

    Tier1 brand replacement for Aprilaire #201 - 20 x 25 x 6 - MERV 8 (2-Pack)

    Fits air cleaner models Aprilaire/Space-Gard 2200 and 2250 Learn More
    $53.27 Retail Price:  $63.56
  22. 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
  23. DPFS20X25X6DWR Tier1 Replacement Air Filter - 20X25X6 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR2000-401 - 20 x 25 x 6 - MERV 8 (2-Pack)

    Fits air cleaner models Aprilaire/Space-Gard 2200 and 2250 Learn More
    $53.27 Retail Price:  $63.56
  24. DPFS16X28X6DWR Tier1 Replacement Air Filter - 16X28X6 (2-Pack)

    Tier1 brand replacement for White-Rodgers FR1400-401 - 16 x 28 x 6 - MERV 8 (2-Pack)

    Fits air cleaner models Aprilaire/Space-Gard 2400, Honeywell F100F2002, F100F1012, F100B1016, F150E1026, F200E1029, Lennox BMAC-14C, Trion 455602-119, White-Rodgers ACB1400, ACM1400, ACM1400U and FR1400-401 Learn More
    $52.60 Retail Price:  $62.79
  25. DPFS16X28X6 Tier1 Replacement Air Filter - 16X28X6 (2-Pack)

    Tier1 brand replacement for Aprilaire #401 - 16 x 28 x 6 - MERV 8 (2-Pack)

    Fits air cleaner models Aprilaire/Space-Gard 2400, Honeywell F100F2002, F100F1012, F100B1016, F150E1026, F200E1029, Lennox BMAC-14C, Trion 455602-119, White-Rodgers ACB1400, ACM1400, ACM1400U and FR1400-401 Learn More
    $52.60 Retail Price:  $62.79

Items 1 to 25 of 161 total

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