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Inline Water Filters

Keep crystal clear clean water flowing through your house, faucets, and appliances with a new brand name inline water filter.

Looking for an inline post filter for your reverse osmosis water filter system or for an inline filter to use in one of your home appliances (i.e. washing machine or dishwasher)? Choose from over 130+ inline water filters, from the industry’s best performing brands, including Watts®, Culligan®, GE, Whirlpool®, and more. From American Plumber to Whirlpool inline water filters, 0.5 micron to 30 micron filter element ratings, activated carbon to polypropylene filter media, DiscountFilterStore.com has all your inline water filter needs conveniently in one place and at prices guaranteed to beat the big box stores (100% Price Match Guarantee).

If inline filters for your home appliances isn’t quite what you’re looking for? We also carry a number of inline water filters, dechlorinators, and sediment pre-filters for use in your garden (Rainshow’r).

23 Item(s)

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  1. K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More

    Regular Price: $21.99

    Special Price: $21.05

  2. K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $20.99 Retail Price:  $23.34
  3. K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    Fits easily onto standard 3/8-inch water lines Learn More
    $15.99 Retail Price:  $17.24
  4. K5633JJ Omnipure Inline GAC Filter Cartridge

    K5633JJ Omnipure Inline GAC Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $14.39 Retail Price:  $18.85
  5. K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    Fits standard 3/8-inch water lines Learn More
    $14.39 Retail Price:  $18.85
  6. E5733 Omnipure Granular Activated Carbon Water Filter

    E5733 Omnipure Granular Activated Carbon Water Filter

    2 ½ inches wide by 14 inches long with 12 x 40 mesh Learn More
    $14.99 Retail Price:  $19.54
  7. K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    1/4-inch FPT fittings Learn More
    $22.99 Retail Price:  $28.74
  8. Q5405 Omnipure Q-Series Sediment Water Filter

    Q5405 Omnipure Q-Series Sediment Water Filter

    Fits the Omnipure QVH and QNVH Twist Tap series filter heads Learn More
    $13.99 Retail Price:  $16.04
  9. RC-EZ-1 Culligan Level 1 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-1 Culligan Level 1 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-1, US-EZ-1, and RV-EZ-1 Learn More
    $15.99 Retail Price:  $22.99
  10. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  11. 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
  12. WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  13. IL-IM-01 3M Aqua-Pure Inline Water Filter
  14. IC-100A Culligan Level 1 Disposable Inline Filter
  15. IC-750 Culligan Inline Filter

    IC-750 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  16. IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System
  17. WHKF-IMTO Whirlpool Inline Filter

    WHKF-IMTO Whirlpool Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $11.99 Retail Price:  $14.94
  18. 800R OmniFilter Quick Change Replacement Filter Cartridge

    800R OmniFilter Quick Change Replacement Water Filter Cartridge

    Fits the OmniFilter SFM3 and R800 water filtration systems Learn More
    $31.99 Retail Price:  $39.09
  19. R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99 Retail Price:  $35.64
  20. WSRV-8 Water Sentinel Inline RV Water Filter

    WSRV-8 Water Sentinel Inline RV Water Filter

    $19.99 Retail Price:  $36.79
  21. GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    Fits onto 1/4-inch water lines Learn More
    $24.69 Retail Price:  $30.69
  22. IC-101L Pentek Inline Filter

    IC-101L Pentek Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $8.99 Retail Price:  $12.98
  23. R200 OmniFilter Inline Filter System

    R200 OmniFilter Inline Water Filtration System

    Fits onto any 1/4-inch plastic or copper water line Learn More
    $14.99 Retail Price:  $16.09

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