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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Search by: Brand

                    Type

                    Size

Clear All
Compare

Items 1 to 25 of 44 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
  1. 12 x 24 x 1 Inch MERV 11 Air Filters by Tier1 (4-Pack)
  2. Holmes HAPF600-U3 Replacement Purifier Air Filter

    Holmes HAPF600-U3 Replacement Purifier HEPA Filter

    Fits Holmes, Bionaire and GE air purifiers requiring the HAPF600-U3 replacement filter Learn More
    $19.99 MSRP:  $22.34

    Out of stock

  3. Holmes HAPF30D-U Replacement Purifier Air Filter

    Holmes HAPF30D-U Replacement HEPA Air Purifier Filters (2-Pack)

    Fits Holmes and Bionaire air purifiers requiring the HAPF30D-U replacement filter Learn More
  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

    Out of stock

  5. 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

    Out of stock

  6. 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

    Out of stock

  7. 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
  8. 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

    Out of stock

  9. 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

    Out of stock

  10. 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

    Out of stock

  11. 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
  12. 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

    Out of stock

  13. 12 x 12 x 1 Inch MERV 11 Air Filters by Tier1 (4-Pack)
  14. 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

  15. 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

  16. 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

  17. FLR06070 Trane Perfect Fit Air Filter Replacement
  18. FC100A1037 Honeywell 20-inch x 25-inch Media Air Filter Replacement

    FC100A1037 Honeywell 20-inch x 25-inch Media Air Filter Replacement

    Fits F25F1026, F35F1024, F100B1032, F100B1040, F100F1038 Learn More
    $38.99 MSRP:  $45.99
  19. 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
  20. 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
  21. 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
  22. 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

  23. OAC150 Filtrete Office Air Purifier
  24. OAC50RF-6 Filtrete Office Air Purifier Replacement Filter (6-Pack)

    OAC50RF-6 3M Filtrete Office Air Purifier Replacement Filters (6-Pack)

    Fits the 3M Filtrete OAC50 Office Air Purifier Learn More
  25. 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

Items 1 to 25 of 44 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
Scroll To Top