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

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Room Air Purifiers

Control air purity and relieve asthma/ allergy symptoms

It’s our goal to provide you with the best air purifiers for mold spores, odor, pets, pollution, etc. because nothing’s more important than keeping your family breathing easy and the air your home clean.  From whole house air purifiers, to room air purifiers, to the best air purifiers for mold, pets, etc. Discount Filter Store aims to provide you with a simple way to find all the air purifiers you need, at the lowest prices.  Browse our expansive selection of air cleaners and replacement filters, in a variety of sizes.

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  1. 12 x 24 x 1 Inch MERV 11 Air Filters by Tier1 (4-Pack)
  2. HUL535W Honeywell Cool Mist Humidifier - White

    HUL535W Honeywell Cool Mist Humidifier (White)

    For use in medium size rooms Learn More
    $52.99 MSRP:  $55.34
  3. Holmes HAPF21-U4 Replacement Purifier Air Filter

    Holmes HAPF21-U4 Replacement Air Purifier Filter

    Fits HAP222 and HAP2234 Air Cleaners Learn More
    $8.49 MSRP:  $11.99
  4. Holmes HAPF30AT-U4 Replacement Purifier Air Filter

    Holmes HAPF30AT-U4 Replacement HEPA Filter

    Fits Holmes and Bionaire air purifiers requiring the HAPF30AT-U4 replacement filter Learn More
    $15.99 MSRP:  $18.34
  5. Aprilaire 413 Air Purifier Replacement Filter

    Aprilaire 413 Air Purifier Replacement Filter

    Fits Aprilaire air cleaner models 1410, 2410, 3410, and 4400 Learn More
    $59.99
  6. Aprilaire 210 Air Purifier Replacement Filter

    Aprilaire 210 Air Purifier Replacement Filter

    Fits Aprilaire air cleaner models 1210, 2210, 3210, and 4200 Learn More
    $52.99
  7. Holmes HAP242-NUC Desktop HEPA-Type Air Purifier

    Holmes HAP242-NUC Desktop HEPA-Type Air Purifier

    Uses any Holmes AER1 Series Filter Learn More
    $49.19 MSRP:  $68.99
  8. Honeywell HFD-120-Q QuietClean Tower Air Purifier

    Honeywell HFD-120-Q QuietClean Tower Air Purifier

    Suitable for medium rooms sized up to 186 square feet Learn More
    $162.99 MSRP:  $206.99
  9. Honeywell HFD320 AirGenius 5 Air Cleaner/Odor Reducer

    Honeywell HFD320 AirGenius 5 Air Cleaner/Odor Reducer

    Suitable for larger rooms sized up to 250 square feet Learn More
    $229.99 MSRP:  $295.99
  10. Aprilaire 213 Air Purifier Replacement Filter by Tier1

    Aprilaire 213 Air Purifier Replacement Filter by Tier1

    Fits Aprilaire air cleaner models 1210, 2210, 3210, and 4200 Learn More

    As Low As $35.17 Per Filter

  11. Aprilaire 410 Air Purifier Replacement Filter by Tier1

    Aprilaire 410 Air Purifier Replacement Filter by Tier1

    Fits Aprilaire models 1410, 2410, 3410, and 4400 Learn More

    As Low As $29.40 Per Filter

  12. Aprilaire Air Purifier Replacement Filter 413 by Tier1

    Aprilaire Air Purifier Replacement Filter 413 by Tier1

    Fits specific Aprilaire air cleaner models such as the 1410, 2410, 3410, and 4400 Learn More

    As Low As $27.30 Per Filter

  13. 12 x 12 x 1 Inch MERV 11 Air Filters by Tier1 (4-Pack)
  14. HRF-R1 Honeywell True HEPA Replacement Filter

    HRF-R1 Honeywell True HEPA Replacement Filter

    Fits HPA090 series, HPA100 series, HPA200 series, and HPA 300 series Learn More
    $32.99 MSRP:  $40.99
  15. HRF-B1 Honeywell Household Odor and Gas Reducing Pre-filter

    HRF-B1 Honeywell Household Odor and Gas Reducing Pre-filter

    Fits most Honeywell Tower air purifiers Learn More
    $13.99 MSRP:  $18.34
  16. HRF-AP1 Honeywell Universal Carbon Pre-filter

    HRF-AP1 Honeywell Universal Carbon Pre-filter

    Fits all Honeywell Round Air Purifiers and more Learn More
    $14.99 MSRP:  $23.99
  17. PC-2BXN Protec Antimicrobial Cleaning Cartridge (2-pack)

    PC-2BXN Protec Antimicrobial Cleaning Cartridge (2-pack)

    Fits practically every humidifier Learn More
    $9.99 MSRP:  $12.34
  18. OAC100RF-6 Filtrete Office Air Purifier Replacement Filter (6-Pack)

    OAC100RF-6 3M Filtrete Office Air Purifier Replacement Filters (6-Pack)

    Fits 3M Filtrete OAC100 Office Air Purifiers Learn More

    (Retail Price: $186.34 ) $183.99

  19. OAC150RF-6 Filtrete Office Air Purifier Replacement Filter (6-Pack)

    OAC150RF-6 3M Filtrete Office Air Purifier Replacement Filters (6-Pack)

    Fits the 3M Filtrete OAC150 Office Air Purifier Learn More

    (Retail Price: $334.99 ) $196.89

  20. OAC200RF-6 Filtrete Office Air Purifier Replacement Filter (6-Pack)

    OAC200RF-6 3M Filtrete Office Air Purifier Replacement Filters (6-Pack)

    Fits the 3M Filtrete OAC200 Office Air Purifier Learn More

    (Retail Price: $254.34 ) $251.99

  21. OAC250RF-6 Filtrete Office Air Purifier Replacement Filter (6-Pack)

    OAC250RF-6 3M Filtrete Office Air Purifier Replacement Filters (6-Pack)

    Fits the 3M Filtrete OAC250 Office Air Purifier Learn More

    $317.99

  22. FAPF04 Air Purifier Replacement Filter - 13x9x1 by Tier1 (4-Pack)

    FAPF04 Air Purifier Replacement Filter - 13x9x1 by Tier1 (4-Pack)

    Fits into 3M Filtrete Ultra Slim Air Purifiers, model #FAP04-RC Learn More

    $52.49

  23. FAPF03 Filtrete Air Purifier Replacement Filter 12x21x1 by Tier1 (6-Pack)

    FAPF03 Filtrete Air Purifier Replacement Filter 12x21x1 by Tier1 (6-Pack)

    Fits the 3M Filtrete Ultra Clean Air Purifier FAP03-RS Learn More

    (Retail Price: $119.14 ) $62.99

  24. FAPF00 Filtrete Air Purifier Replacement Filters for 5x13x1 by Tier1 (4-Pack)

    FAPF00 Filtrete Air Purifier Replacement Filters for 5x13x1 by Tier1 (4-Pack)

    Fits into the FAP00-RS 3M Filtrete Ultra Quiet Air Purifiers Learn More

    (Retail Price: $74.34 ) $48.29

  25. FAPF02 Filtrete Ultra Clean Air Purifier Replacement Filter

    FAPF02 3M Filtrete Replacement Ultra Clean Air Purifier Filters

    Fits into 3M Filtrete FAP02-RS Ultra Clean and FAP01-RS Ultra Quiet Air Purifiers Learn More

    As Low As $22.83 Per Filter

Items 1 to 25 of 28 total

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