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

Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. 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 your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

Clear All
Compare

Items 1 to 25 of 70 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
  1. Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Perfect for well water applications with the potential for microorganisms Learn More
    $13.99 MSRP:  $17.12
  2. Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    Standard 10 inch by 2.5 inch size fits many under sink filter housings Learn More
    $22.99 MSRP:  $24.71
  3. W5CIP478 American Plumber Undersink Compact Filter Replacement Cartridge (2-Pack)

    W5CIP478 American Plumber Undersink Compact Filter Replacement Cartridge (2-Pack)

    Fits American Plumber W385-PR Learn More
    $16.99 MSRP:  $17.24
  4. WCC American Plumber Undersink Filter Replacement Cartridge

    WCC American Plumber Undersink Filter Replacement Cartridge

    Fits American Plumber W38-PR and most standard size water filter housings Learn More
    $19.99 MSRP:  $26.44
  5. WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    Fits American Plumber WGC478 Learn More
    $13.99 MSRP:  $14.94
  6. CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    For use in any brand of undersink water filtration systems that use 9 3/4-inch x 2 1/2-inch water filter cartridges Learn More
    $34.99 MSRP:  $47.99
  7. NCP-10 Culligan Whole House Filter Replacement Cartridge

    NCP-10 Culligan Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
  8. RV-500A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-500A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
  9. RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
  10. RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
    $20.99 MSRP:  $35.64
  11. RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-800 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
    $29.79 MSRP:  $39.99
  12. RVF-10 Culligan RV Pre-Tank Exterior Filter

    RVF-10 Culligan RV Pre-Tank Exterior Filter

    Fits a standard 3/4-inch garden hose Learn More
    $34.99 MSRP:  $38.51
  13. US-600 Culligan Slim Undersink Filter System
  14. CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    Fits the Cuno CS-511 and CUNO CS-711 filter systems Learn More
    $61.29 MSRP:  $81.99
  15. W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    Fits the RIO 2000 High-Flow Multi-Candle filter module Learn More
    $104.99 MSRP:  $118.30
  16. W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits the (S) type thread mount in HIP, HCP and HIS housings Learn More
    $30.99 MSRP:  $39.96
  17. W9121020 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121020 Doulton Undersink Ceramic Candle Water Filter Cartridge

    Fits all Doulton Gravity systems Learn More
    $25.99 MSRP:  $36.02
  18. W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton gravity fed systems Learn More
    $34.99 MSRP:  $39.97
  19. W9222909 Doulton Imperial SuperCarb OBE Replacement Element

    W9222909 Doulton Imperial SuperCarb OBE Ceramic Water Filter

    Fits most standard 2.5-inch by 10-inch water filtration system housings Learn More
    $34.05 MSRP:  $59.71
  20. W9320004 Doulton Undersink Filter System

    W9320004 Doulton HIS Undersink Water Filtration System

    Fits 10 inch by 2 inch short thread filter candles Learn More
    $181.49 MSRP:  $235.99
  21. W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  22. EV4339-12 Everpure Claris L Replacement Hot Water Filter Cartridge

    EV4339-12 Everpure Claris L Hot Water Filter Cartridge

    For use with all Everpure Claris Duoblend bypass valve heads Learn More
    $195.99 MSRP:  $205.84
  23. EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $46.65 MSRP:  $65.54
  24. SS-IMF Everpure Replacement Filter Cartridge

    SS-IMF Everpure Replacement Filter Cartridge

    Fits 'old style' 8-inch IMF housings, or SSIMF housings (using spacer) Learn More
    $43.05 MSRP:  $66.69
  25. BW1000A Flojet Bottled Water Dispensing System

Items 1 to 25 of 70 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
Scroll To Top