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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 Retail Price:  $41.64
  2. AMERICAN-PLUMBER-600R

    AMERICAN-PLUMBER-600R

    $31.99 Retail Price:  $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 Retail Price:  $58.34
  4. AQUAPURE-AP431

    AQUAPURE-AP431

    $30.99 Retail Price:  $33.25
  5. 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
  6. AQUAPURE-AP717

    AQUAPURE-AP717

    $25.99 Retail Price:  $34.49
  7. AQUAPURE-APIL3R

    AQUAPURE-APIL3R

    $40.99 Retail Price:  $45.41
  8. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  9. CULLIGAN-IC-EZ-1

    CULLIGAN-IC-EZ-1

    $20.99 Retail Price:  $27.13
  10. IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  11. IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System
  12. CULLIGAN-RC-EZ-3

    CULLIGAN-RC-EZ-3

    $24.99 Retail Price:  $31.04
  13. 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
    $40.99 Retail Price:  $50.59
  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 Retail Price:  $31.34
  16. 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
    $20.99 Retail Price:  $33.34
  17. GXRLQ GE SmartWater Inline Filter System

    GXRLQ GE SmartWater Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
    $33.99 Retail Price:  $36.79
  18. GXRLQR

    GXRLQR

    $32.99
  19. ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $23.99 Retail Price:  $26.34
  20. 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
  21. GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    Fits onto 1/4-inch water lines Learn More
    $24.69 Retail Price:  $30.69
  22. GG-2010 Rainshowr Gard'n Gro Garden Dechlorinator

    GG-2010 Rainshowr Gard'n Gro Garden Dechlorinator

    Fits most residential garden hoses. Learn More
    $56.99 Retail Price:  $67.84
  23. GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    Fits hydroponic garden hoses. Learn More

    Regular Price: $64.99

    Special Price: $57.05

  24. PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    Fits most residential garden hoses. Learn More
    $46.99 Retail Price:  $56.34
  25. RCGG Rainshowr Gard'n Gro Garden Dechlorinator Replacement Cartridge (2-Pack) - 1

    RCGG Rainshowr Gard'n Gro Garden Dechlorinator Replacement Cartridge (2-Pack)

    Fits the Rainshow'r Gard'n Gro Filter System. Learn More
    $43.99 Retail Price:  $52.89

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