Discount Water Filters and Air Filters at Discount Filter Store.com

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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. WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    Fits any 1/4-inch water line Learn More
    $55.99 MSRP:  $58.34
  2. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  3. IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  4. IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System
  5. RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-3, US-EZ-3, and RV-EZ-3 Learn More
    $24.99 MSRP:  $31.04
  6. RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-4, US-EZ-4, and RV-EZ-4 Learn More
    $45.19 MSRP:  $78.99
  7. GXRLQ GE SmartWater Inline Filter System

    GXRLQ GE SmartWater Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $37.59 MSRP:  $54.99
  8. GXILQR GE SmartWater Inline Filter Replacement Cartridge

    GXILQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXILQ filter system Learn More
  9. R1100 OmniFilter Quick Change Inline Refrigerator Filter
  10. 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
  11. IC6-38Q Tier1 Inline Water Filter

    IC6-38Q Tier1 Inline Water Filter

    For use on cold water lines only Learn More
    $8.99 MSRP:  $16.99
  12. K2385 Omnipure Phosphate Inline Filter

    K2385 Omnipure Phosphate Inline Filter

    Fits 1/4-inch water lines Learn More
    $17.99 MSRP:  $24.14
  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. K5567JJ Omnipure Comparable Inline Water Filter by Tier1

    K5567JJ 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. CL10ROT33-C-Omnipure Comparable Inline Water Filter by Tier1

    CL10ROT33-C-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. GS-10ALS-JG14 Pentek Comparable Inline Water Filter by Tier1

    GS-10ALS-JG14 Pentek 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. CL10ROT40-B Omnipure Comparable Inline Water Filter by Tier1

    CL10ROT40-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

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