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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).

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  1. K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge
  2. K5520P-JJ Omnipure Inline Phosphate Filter

    K5520P-JJ Omnipure Inline Phosphate Filter

    Fits standard 1/4-inch water lines Learn More
    $19.99 Retail Price:  $27.59
  3. 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

  4. K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    Regular Price: $20.99

    Special Price: $20.05

  5. K5586-JJ Omnipure Inline Phosphate Filter
  6. K5605-JJ Omnipure Sediment Inline Filter

    K5605-JJ Omnipure Sediment Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $13.99 Retail Price:  $18.39
  7. 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
  8. K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    $14.39 Retail Price:  $18.85
  9. K2540-JJ Omnipure Inline Coconut Carbon Filter

    K2540-JJ Omnipure Inline Coconut Carbon Filter

    $11.99 Retail Price:  $16.09
  10. 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
  11. ELF-NV-HEAD-DK7-P6 Omnipure Inline Filter Head

    ELF-NV-HEAD-DK7-P6 Omnipure Inline Water Filter Head

    Fits any 3/8-inch water line Learn More

    Regular Price: $12.99

    Special Price: $11.05

  12. 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
  13. K2333-KK Omnipure Inline Filter
  14. K2505-JJ Omnipure Sediment Inline Filter

    K2505-JJ Omnipure Sediment Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $12.99 Retail Price:  $16.09
  15. K2515-JJ Omnipure Lead Cyst Inline Filter

    K2515-JJ Omnipure Lead Cyst Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $19.99 Retail Price:  $25.29
  16. K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $18.99 Retail Price:  $24.14
  17. 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
  18. 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
  19. 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
  20. IC6-38Q Tier1 Inline Water Filter

    IC6-38Q Tier1 Inline Water Filter

    For use on cold water lines only Learn More

    Regular Price: $8.99

    Special Price: $7.05

  21. K2305-KK Omnipure Inline Sediment Filters

    K2305-KK Omnipure Inline Sediment Filters

    5 micron filter sized 2 inches wide by 6 inches long. Uses 3/8 inch Quick Connect fittings Learn More
    $11.99 Retail Price:  $24.14
  22. K2385 Omnipure Phosphate Inline Filter

    K2385 Omnipure Phosphate Inline Filter

    Fits 1/4-inch water lines Learn More
    $17.99 Retail Price:  $24.14
  23. K2553-JJ Omnipure Nitrate Water Filter

    K2553-JJ Omnipure Nitrate Water Filter

    Sized 2 x 10, attaches with 1/4 inch FQC fittings Learn More
    $22.99 Retail Price:  $28.74
  24. IC6-14Q Tier1 Inline Water Filter

    IC6-14Q Tier1 Inline Water Filter

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More
    $6.99 Retail Price:  $10.34
  25. QNVH-JJ Omnipure Quick Connect Water Filter Head

    QNVH-JJ Omnipure Quick Connect Water Filter Head

    Attaches easily to 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79

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