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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.

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  1. R30BB Pentek Comparable Whole House Water Filter by Tier1

    R30BB Pentek Comparable Whole House Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $13.99 Retail Price:  $17.99
  2. R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits many styles of water filter housings that accept 20 x 5-inch filters Learn More
    $20.99
  3. Hytrex GX30-20 Polypropylene Sediment Filter

    Hytrex GX30-20 Polypropylene Sediment Filter

    Standard 20 inch by 2.5 inch size fits many common and popular filter housings Learn More
    $10.99 Retail Price:  $13.34
  4. W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $17.99 Retail Price:  $18.04
  5. W30PEHD American Plumber Whole House Heavy Duty Filter Cartridge

    W30PEHD American Plumber Whole House Heavy Duty Filter Cartridge

    Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More
    $24.99 Retail Price:  $27.34
  6. W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)

    W30W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $13.99 Retail Price:  $16.34
  7. PR-1U Culligan Universal Water Pitcher Replacement Cartridge

    PR-1U Culligan Universal Water Filter Pitcher Replacement Cartridge

    Fits Culligan PIT-1, OP-1, GP-1, WP-1 and most Brita and PUR brand water filter pitchers Learn More
    $12.99 Retail Price:  $13.79
  8. PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)

    PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)

    Fits Culligan PIT-1, OP-1, GP-1, WP-1, WFR1, and WFJ2 water pitchers Learn More
    $22.99 Retail Price:  $25.34
  9. FXHSC GE SmartWater Whole House Filter Replacement Cartridge

    FXHSC GE SmartWater Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $22.99 Retail Price:  $25.34
  10. FXUSC GE SmartWater Whole House Filter Replacement

    FXUSC GE SmartWater Whole House Filter Replacement Cartridge (2-Pack)

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $17.99 Retail Price:  $20.34
  11. FXSCH GE Shower Replacement Filter Cartridge

    FXSCH GE Shower Replacement Filter Cartridge

    Fits the GE GXSM01HWW shower filter system Learn More
    $14.99 Retail Price:  $18.39
  12. GXRTDR GE SmartWater Inline Filter Cartridge

    GXRTDR GE SmartWater Inline Filter Cartridge

    Fits any 1/4-inch plastic or copper water line Learn More
    $18.99 Retail Price:  $20.69
  13. R30 Pentek Replacement Filter Cartridge

    R30 Pentek Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $8.99 Retail Price:  $10.57
  14. R30-20 Pentek Replacement Filter Cartridge

    R30-20 Pentek Replacement Filter Cartridge

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $16.99 Retail Price:  $18.85
  15. R30-20BB Pentek Whole House Filter Replacement Cartridge

    R30-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek Big Blue and any standard heavy duty housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More
    $29.99 Retail Price:  $31.84
  16. R30-478 Pentek Undersink Filter Replacement Cartridge

    R30-478 Pentek Undersink Filter Replacement Cartridge

    Fits Pentek housings that use compact 4 7/8-inch x 2 5/8-inch replacement filter cartridges Learn More
    $8.99 Retail Price:  $12.75
  17. R30-BB Pentek Whole House Filter Replacement Cartridge

    R30-BB Pentek Whole House Water Filter Replacement Cartridge

    Fits the Pentek Big Blue or any other heavy duty water filtration system housing that uses 9 3/4-inch x 4 1/2-inch cartridges Learn More
    $17.99 Retail Price:  $20.34
  18. WP-30 Pentek Whole House Filter Replacement Cartridge

    WP-30 Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $7.99 Retail Price:  $8.15
  19. PX30-20 Purtrex Replacement Filter Cartridge

    PX30-20 Purtrex Replacement Water Filter Cartridge

    For filtration system housings that use 2.5-inch x 20-inch filters Learn More
    $6.99 Retail Price:  $9.19
  20. PX30-9-78 Purtrex Replacement Filter Cartridge

    PX30-9-78 Purtrex Replacement Water Filter Cartridge

    Fits filtration housings that use 2.5-inch x 10-inch replacement water filters Learn More
    $3.99 Retail Price:  $6.89
  21. RS6 OmniFilter Whole House Filter Replacement Cartridge

    RS6-SS2-S06 OmniFilter Whole House Water Filter Cartridge

    Fits any brand of heavy duty whole house water filtration system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $18.99 Retail Price:  $21.34
  22. WHKF-WHPL Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  23. GX30-9-78 Hytrex Replacement Filter Cartridge

    GX30-9-78 Hytrex Water Filter Cartridge

    Fits industry standard filtration system housings that use 2.5-inch x 10-inch water filters Learn More
    $5.99 Retail Price:  $8.61
  24. BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    Fits standard 1-inch NPS supply threads. Uses 4.5x10 inch replacement filter cartridges. Learn More

    Regular Price: $69.99

    Special Price: $57.05

  25. SF200-S2-S06 OmniFilter Shower Filter System

    SF200-S2-S06 OmniFilter Shower Filter System

    Fits easily onto all standard shower heads Learn More
    $26.99 Retail Price:  $33.34

Items 1 to 25 of 41 total

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