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. IC-1000 Culligan Inline Filter

    IC-1000 Culligan Inline Filter

    Fits standard 1/4-inch water lines Learn More
  2. IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System
  3. 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
  4. 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
    $22.19 MSRP:  $30.99
  5. GXRTDR GE SmartWater Inline Filter Cartridge

    GXRTDR GE SmartWater Inline Filter Cartridge

    Fits any 1/4-inch plastic or copper water line Learn More
    $20.99 MSRP:  $30.99 As low as: $20.99
  6. ICF-2512 Hydronix Inline Coconut Carbon Filter
  7. OMNIFILTER-1100R

    OMNIFILTER-1100R

    $28.99 MSRP:  $36.79
  8. 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
  9. WHKF-IMPLUS Whirlpool Inline Filter System
  10. GXILQR GE SmartWater Inline Filter Replacement Cartridge

    GXILQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXILQ filter system Learn More
  11. INLINE-WATER-FILTERS-85470

    INLINE-WATER-FILTERS-85470

    $23.99 MSRP:  $29.08
  12. OMNIFILTER-R800
  13. OMNIPURE-K2515-JJ

    OMNIPURE-K2515-JJ

    $22.09 MSRP:  $25.29
  14. OMNIPURE-K2520-JJ

    OMNIPURE-K2520-JJ

    $20.99 MSRP:  $24.14
  15. OMNIPURE-K2567JJ

    OMNIPURE-K2567JJ

    $21.99
  16. OMNIPURE-K5515-BB

    OMNIPURE-K5515-BB

    $26.49
  17. OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $21.09 MSRP:  $27.59
  18. OMNIPURE-K5562-BB-NRW37

    OMNIPURE-K5562-BB-NRW37

    $22.99 MSRP:  $25.29
  19. OMNIPURE-K5567JJ

    OMNIPURE-K5567JJ

    $20.99 MSRP:  $26.44
  20. OMNIPURE-K5633BB

    OMNIPURE-K5633BB

    $20.99
  21. 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
    $28.59 MSRP:  $35.99
  22. 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
  23. OMNIPURE-K2555-BB

    OMNIPURE-K2555-BB

    $22.09
  24. OMNIPURE-K5515-JJ

    OMNIPURE-K5515-JJ

    $23.99
  25. 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 MSRP:  $27.59

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