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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).

25 Item(s)

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  1. K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge

    K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $16.59 Retail Price:  $21.38
  2. K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More

    Regular Price: $20.99

    Special Price: $20.05

  3. K5586-JJ Omnipure Inline Phosphate Filter

    K5586-JJ Omnipure Inline Phosphate Filter

    Fits standard 1/4-inch water lines Learn More
    $14.99 Retail Price:  $19.54
  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. Q5386 Omnipure Inline Filter Replacement Cartridge

    Q5386 Omnipure Inline Filter Replacement Cartridge

    Fits the Omnipure QVH and QNVH Twist Tap series filter heads Learn More
    $14.99 Retail Price:  $20.00
  7. K2540-JJ Omnipure Inline Coconut Carbon Filter

    K2540-JJ Omnipure Inline Coconut Carbon Filter

    Fits standard 1/4-inch water lines Learn More
    $11.99 Retail Price:  $16.09
  8. K2333-JJ Omnipure Inline Filter

    K2333-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $10.99 Retail Price:  $13.79
  9. K2333-KK Omnipure Inline Filter

    K2333-KK Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $11.99 Retail Price:  $13.79
  10. K2528-JJ Omnipure Inline Filter

    K2528-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  11. K2533-KK Omnipure Inline Filter

    K2533-KK Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $13.99 Retail Price:  $14.94
  12. Q5486 Omnipure Twist-Tap Inline Filter Replacement Cartridge

    Q5486 Omnipure Twist-Tap Inline Filter Replacement Cartridge

    Fits the Omnipure QVH and QNVH Twist Tap series filter heads Learn More
    $13.99 Retail Price:  $16.09
  13. K2386-JJ Omnipure Inline Phosphate Water Filter

    K2386-JJ Omnipure Inline Phosphate Water Filter

    2 inch x 6 inch, 1/4 inch FQC, for use on cold water lines only Learn More

    Regular Price: $10.99

    Special Price: $9.05

  14. K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    Sized 2 inches W x 10 inches L; 1/4 inch FQC. Learn More
    $16.99 Retail Price:  $21.84
  15. DD-7098 Daewoo Inline Filter

    DD-7098 Daewoo Inline Filter

    Fits Daewoo, Bosch, Siemens, and other refrigerator brands with an external inline water filter Learn More
    $28.99 Retail Price:  $31.34
  16. 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
  17. ICF-10Q Hydronix Inline Coconut Carbon Filter

    ICF-10Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  18. ICF-10Q38 Hydronix Inline Coconut Carbon Filter
  19. WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  20. WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  21. IC-100A Culligan Level 1 Disposable Inline Filter
  22. ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  23. GS-10-JG14 Pentek Inline Filter System

    GS-10-JG14 Pentek Inline Water Filtration System

    Fits onto all 1/4-inch water lines Learn More
    $12.99 Retail Price:  $15.28
  24. GS-10ALS-JG14 Pentek Inline Filter System

    GS-10ALS-JG14 Pentek Inline Water Filter

    Fits onto 1/4-inch water lines Learn More
    $13.39 Retail Price:  $17.70
  25. 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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