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. 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    Fits 3M Aqua-Pure AP430 and AP430-SS filtered hot water systems Learn More
    $30.99 MSRP:  $49.56
  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. 3M Aqua-Pure APIL3R Inline Water Filter

    APIL3R 3M Aqua-Pure Inline Water Filter Cartridge

    Fits the 3M Aqua-Pure APIL3 inline water filtration system Learn More
  7. IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  8. IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System
  9. 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
  10. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  11. 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
  12. 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
  13. GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXRLQ filter system Learn More
    $36.19 MSRP:  $44.99 As low as: $36.19
  14. 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 MSRP:  $67.84
  15. GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    Fits hydroponic garden hoses. Learn More
    $65.49 MSRP:  $118.99
  16. 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 MSRP:  $56.34
  17. 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 MSRP:  $52.89
  18. WSRV-8 Water Sentinel Inline RV Water Filter
  19. GXRTQ GE SmartWater Inline Filter System

    GXRTQ GE SmartWater Inline Filter System

    Fits any 1/4-inch plastic or copper water line Learn More
  20. IF14C Ice-O-Matic Inline Water Filtration Cartridge
  21. IF18C Ice-O-Matic Inline Water Filtration Cartridge - 1
  22. 800R OmniFilter Quick Change Replacement Filter Cartridge

    800R OmniFilter Quick Change Replacement Water Filter Cartridge

    Fits the OmniFilter SFM3 and R800 water filtration systems Learn More
    $31.99 MSRP:  $39.09
  23. R1100 OmniFilter Quick Change Inline Refrigerator Filter
  24. ELF-1M-P-KDF Omnipure Water Filter Cartridge

    ELF-1M-P-KDF Omnipure Water Filter Cartridge

    Fits residential and commercial water filtration systems that use the Everpure H-300-R water filter cartridge Learn More
    $37.09 MSRP:  $55.99
  25. CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System

    CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System

    For use with refrigerators with built-in water dispensers, water fountains, coolers, icemakers and commercial coffee makers Learn More
    $36.99 MSRP:  $44.84

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