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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).

Items 1 to 25 of 26 total

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  1. K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $23.99 Retail Price:  $25.29
  2. K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $21.99 Retail Price:  $27.59
  3. K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $20.99 Retail Price:  $26.44
  4. K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $20.99
  5. 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
  6. K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    1/4-inch FPT fittings Learn More
    $22.99 Retail Price:  $28.74
  7. K5615-BB Omnipure Carbon Block Inline Filter

    K5615-BB Omnipure Carbon Block Inline Filter

    Fits 1/4 inch water lines Learn More
    $24.99 Retail Price:  $31.04
  8. SL10-C Omnipure Phosphate Inline Filter

    SL10-C Omnipure Phosphate Inline Filter

    Uses 3/8-inch FPT connections Learn More
    $25.99 Retail Price:  $32.19
  9. IL-FILTER H2O International Inline Shower Filter Cartridge Replacement

    IL-FILTER H2O International Inline Shower Filter Cartridge Replacement

    Fits the H2O International SHH-IL-CP inline shower filtration system Learn More
    $21.99 Retail Price:  $27.59
  10. IN1013-2 BevGuard Inline Water Filter

    IN1013-2 BevGuard Inline Water Filter

    Designed for use in refrigerator models with an ice and water dispenser built into the door Learn More
    $25.99 Retail Price:  $29.99
  11. 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
  12. 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 Retail Price:  $29.89
  13. 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 Retail Price:  $31.04
  14. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  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
  16. GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXRTQ filter system Learn More
    $21.99 Retail Price:  $25.98
  17. ICF-2512 Hydronix Inline Coconut Carbon Filter
  18. IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System
  19. AP717 Aqua-Pure Inline Filter System

    AP717 Aqua-Pure Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $25.99 Retail Price:  $34.49
  20. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  21. WHKF-IMPLUS Whirlpool Inline Filter System
  22. GXILQR GE SmartWater Inline Filter Replacement Cartridge
  23. 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 Retail Price:  $29.08
  24. R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99 Retail Price:  $35.64
  25. 1100R OmniFilter Quick Change Replacement Filter Cartridge

    1100R OmniFilter Quick Change Inline Refrigerator Water Filter

    For OmniFilter R1100 Quick-Change Inline Water Filtration Systems Learn More

Items 1 to 25 of 26 total

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