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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. CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    CL10ROT40-B Omnipure Inline Coconut Carbon Filter

    Fits standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  2. CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    CL10ROT40-C Omnipure Inline Coconut Carbon Filter

    Fits standard 3/8-inch water lines Learn More
    $8.99 Retail Price:  $12.64
  3. CL6ROT33-B Omnipure Inline Filter

    CL6ROT33-B Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $11.49
  4. CL6ROT33-C Omnipure Inline Filter

    CL6ROT33-C Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $7.99 Retail Price:  $11.49
  5. 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
  6. K2533BB Omnipure Inline GAC Filter Cartridge

    K2533BB Omnipure Inline Water Filter Cartridge

    Fits onto standard 1/4-inch water lines Learn More
    $9.99 Retail Price:  $13.79
  7. K2533TJ Omnipure Inline Carbon Filter

    K2533TJ Omnipure Inline Carbon Filter

    Fits standard 1/4-inch water lines that use a twin inlet fitting Learn More
    $9.99 Retail Price:  $13.79
  8. 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
  9. CL6ROT33-A Omnipure GAC Inline Water Filter

    CL6ROT33-A Omnipure GAC Inline Water Filter

    Ideal for use in water coolers, drinking fountains, under sink systems, ice machines, and reverse osmosis systems Learn More
  10. CL10ROT28-A Omnipure Inline Water Filter

    CL10ROT28-A Omnipure Inline Water Filter

    Sized 2 x 10, with 1/8 inch FPT connections Learn More
    $8.99 Retail Price:  $12.64
  11. ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $7.99 Retail Price:  $9.19
  12. ICF-10Q Hydronix Inline Coconut Carbon Filter

    ICF-10Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  13. ICF-10Q38 Hydronix Inline Coconut Carbon Filter
  14. ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $5.99 Retail Price:  $9.19
  15. ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $6.99 Retail Price:  $10.34
  16. ISF-10 Hydronix Sediment Inline Filter

    ISF-10 Hydronix Sediment Inline Filter

    $6.99 Retail Price:  $10.34
  17. ISF-2512 Hydronix Sediment Inline Filter

    ISF-2512 Hydronix Sediment Inline Filter

    $8.99 Retail Price:  $12.64
  18. AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    Fits the Watts Flowmatic FMR04-MAN reverse osmosis water filtration system Learn More
    $7.99 Retail Price:  $9.19
  19. GS-6RO-B Pentek Inline Filter Replacement Cartridge

    GS-6RO-B Pentek Inline Water Filter Cartridge

    Fits 1/4-inch water lines with 1/4-inch MPT Learn More
    $9.99 Retail Price:  $12.18
  20. 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
  21. CL10ROT33-C Omnipure Inline Filter

    CL10ROT33-C Omnipure Inline Filter

    Fits standard 3/8-inch water lines Learn More
    $9.99 Retail Price:  $13.79

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