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. 265062 American Hydro Systems Inline Filter for Siphoning Feeder Systems

    265062 American Hydro Systems Siphoning Feeder Filter

    Fits American Hydro Systems Siphoning Feeder Systems Learn More
    $34.21 MSRP:  $41.64
  2. 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    Built to fit into American Plumber WIC-600 and DW-600 undersink water filtration systems Learn More
    $31.99 MSRP:  $35.06
  3. 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
  4. WIC-6A American Plumber Inline Icemaker Filter
  5. WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    WICA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    Fits any 1/4-inch water line Learn More
    $14.09 MSRP:  $18.50
  6. WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings

    Fits any 1/4-inch water line Learn More
    $15.39 MSRP:  $20.00
  7. AQUAPURE-AP431

    AQUAPURE-AP431

    $30.99 MSRP:  $33.25
  8. 3M Aqua-Pure AP460 Replacement Filter Cartridge

    AP460 3M Aqua-Pure Replacement Filter Cartridge

    Fits the 3M Aqua-Pure AP450 and AP450B filter systems Learn More
  9. 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $25.99 MSRP:  $34.49
  10. AQUAPURE-APIL3R
  11. AQUA-PURE-IL-IM-01

    AQUA-PURE-IL-IM-01

    $18.99 MSRP:  $24.14
  12. 74-985001 3M Aqua-Pure Male Connection

    74-985001 3M Aqua-Pure Quick-Connect Male Connection

    Fits inline water filter cartridges with 1/4-inch female pipe thread fittings Learn More
    $4.09 MSRP:  $9.99
  13. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  14. IC-100A Culligan Level 1 Disposable Inline Filter
  15. IC-750 Culligan Inline Filter

    IC-750 Culligan Inline Filter

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

    RC-EZ-1 Culligan Level 1 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-1, US-EZ-1, and RV-EZ-1 Learn More
    $15.99 MSRP:  $22.99
  20. 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
  21. 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
    $44.89 MSRP:  $78.99
  22. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  23. 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
    $31.69 MSRP:  $40.99
  24. EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    Connects with 3/8 inch NPT threads and fits 1/4-inch water lines Learn More
    $22.29 MSRP:  $30.99
  25. GXRLQ GE SmartWater Inline Filter System

    GXRLQ GE SmartWater Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $37.29 MSRP:  $54.99

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