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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. 85470 Inline Water Filters Washing Machine Inline Water Filter

    85470 Inline Water Filters Washing Machine Inline Water Filter

    Fits the hot or cold water faucet and hose connected to your washing machine Learn More
    $23.99 MSRP:  $29.08
  2. 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
    $10.05 MSRP:  $17.24
  3. WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter

    Whirlpool UltraEase WHKF-R-PLUS / WHCF-R-PLUS Inline Water Filter

    Fits Whirlpool WHCF-IMTOS, WHCF-IMPLUS and WHKH-IMPLUS water filtration systems Learn More
  4. 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
    $18.69 MSRP:  $24.99
  5. K2555-BB Omnipure Deionization Inline Water Filter

    K2555-BB Omnipure Deionization Inline Water Filter

    Sized 2 inches W x 10 inches L; 1/4 inch FPT Learn More
    $22.09 MSRP:  $33.99
  6. K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    Sized 2.5 inches W x 10 inches L; 1 Micron; 1/4 inch FQC Learn More
    $23.99 MSRP:  $29.89
  7. CL10ROT33-A Omnipure GAC Inline Water Filter

    CL10ROT33-A Omnipure GAC Inline Water Filter

    Sized 2 inches W x 10 inches L; 1/8 inch FPT Learn More
    $10.99 MSRP:  $14.94
  8. E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    Sized 2.5 diameter x 10 length, fits onto existing filter heads Learn More
    $19.79 MSRP:  $25.99
  9. E5722-P Omnipure Carbon Block Water Filter

    E5722-P Omnipure Carbon Block Water Filter

    Fits systems that use the Everpure 4CB5-S water filter cartridge Learn More
    $33.99 MSRP:  $49.99
  10. ELF-XL-1M-P-KDF Omnipure Carbon Block Water Filter

    ELF-XL-1M-P-KDF Omnipure Carbon Block Water Filter

    Sized 12.5 inches x 4 inches, 1 micron. Extra large format designed for use by systems in the commercial food service industry Learn More
    $39.59 MSRP:  $48.99
  11. CL6PF5-C Omnipure Sediment Inline Water Filter

    CL6PF5-C Omnipure Sediment Inline Water Filter

    5 micron filter, sized 2 x 6 inches, with a 3/8 inch FPT connection Learn More
    $8.89 MSRP:  $14.99
  12. IC6-14Q Tier1 Inline Water Filter

    Tier1 Coconut Shell Carbon Inline Water Filter

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More
    $6.99 MSRP:  $10.34
  13. Pentek 255579-43 Inline Sediment Water Filter Replacement

    Pentek 255579-43 Inline Sediment Water Filter Replacement

    Fits directly into 1/4-inch copper or plastic water lines Learn More
    $14.29 MSRP:  $21.99
  14. R200 Samsung Inline Water Filter Replacement by Tier1

    R200 OmniFilter Inline Water Filter Replacement by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  15. GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1

    GXRTQR GE SmartWater Inline Comparable Replacement Cartridge by Tier1

    Fits the GE SmartWater GXRTQ Filter System with 1/4 inch Quick Connect Fittings Learn More

    As Low As $13.00 Per Filter

  16. WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  17. IN-WF0190 Comparable Inline Coconut Carbon Water Filter By Tier1

    IN-WF0190 Inline Coconut Carbon Water Filter By Tier1

    Fits most standard 3/8 inch water lines Learn More
    $8.99 MSRP:  $12.99
  18. AP717 3m Aqua-Pure Comparable Inline Water Filter by Tier1

    AP717 3M Aqua-Pure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  19. CL10ROT33-B Omnipure Comparable Inline Water Filter by Tier1

    CL10ROT33-B Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  20. WHKF-IMTO Whirlpool Comparable Inline Water Filter by Tier1

    WHKF-IMTO Whirlpool Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  21. ICF-10Q Hydronix Comparable Inline Water Filter by Tier1

    ICF-10Q Hydronix Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  22. K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  23. K2540-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2540-JJ Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  24. DD-7098 Daewoo Comparable Inline Water Filter by Tier1

    DD-7098 Daewoo Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

  25. K2533BB Omnipure Comparable Inline Water Filter by Tier1

    K2533BB Omnipure Comparable Inline Water Filter by Tier1

    Sized 2 x 6 inches and made with 1/4 inch FQC fittings Learn More

    As Low As $0.00 Per Filter

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