Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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).

Clear All
Compare

31 Item(s)

Grid  List 

Set Descending Direction
  • IC-1000 Culligan Inline Filter
  • IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System

    IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System

    $20.99
    MSRP: $27.13
    Save 23%
  • RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge
  • EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    $22.19
    MSRP: $30.99
    Save 28%
  • GXRTDR GE SmartWater Inline Filter Cartridge

    GXRTDR GE SmartWater Inline Filter Cartridge

    $20.99
    MSRP: $30.99
    Save 32%
  • ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $26.49
    MSRP: $34.99
    Save 24%
  • OMNIFILTER-1100R

    OMNIFILTER-1100R

    $28.99
    MSRP: $36.79
    Save 21%
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge
  • WHKF-IMPLUS Whirlpool Inline Filter System
  • GXILQR GE SmartWater Inline Filter Replacement Cartridge
  • INLINE-WATER-FILTERS-85470

    INLINE-WATER-FILTERS-85470

    $23.99
    MSRP: $29.08
    Save 18%
  • OMNIFILTER-R800

    OMNIFILTER-R800

  • OMNIPURE-K2515-JJ

    OMNIPURE-K2515-JJ

    $22.09
    MSRP: $25.29
    Save 13%
  • OMNIPURE-K2520-JJ

    OMNIPURE-K2520-JJ

    $20.99
    MSRP: $24.14
    Save 13%
  • OMNIPURE-K2567JJ

    OMNIPURE-K2567JJ

    $21.99
  • OMNIPURE-K5515-BB

    OMNIPURE-K5515-BB

    $26.49
  • OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $21.09
    MSRP: $27.59
    Save 24%
  • OMNIPURE-K5562-BB-NRW37

    OMNIPURE-K5562-BB-NRW37

    $22.99
    MSRP: $25.29
    Save 9%
  • OMNIPURE-K5567JJ

    OMNIPURE-K5567JJ

    $20.99
    MSRP: $26.44
    Save 21%
  • OMNIPURE-K5633BB

    OMNIPURE-K5633BB

    $20.99
  • IN1013-2 BevGuard Inline Water Filter

    IN1013-2 BevGuard Inline Water Filter

    $28.59
    MSRP: $35.99
    Save 21%
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • OMNIPURE-K2555-BB

    OMNIPURE-K2555-BB

    $22.09
  • OMNIPURE-K5515-JJ

    OMNIPURE-K5515-JJ

    $23.99
  • IL-FILTER H2O International Inline Shower Filter Cartridge Replacement
  • OMNIPURE-K2553-JJ

    OMNIPURE-K2553-JJ

    $22.99
    MSRP: $28.74
    Save 20%
  • OMNIPURE-K5520BB

    OMNIPURE-K5520BB

    $25.39
    MSRP: $28.74
    Save 12%
  • OMNIPURE-K5615-BB

    OMNIPURE-K5615-BB

    $24.99
    MSRP: $31.04
    Save 19%
  • OMNIPURE-SL10-C

    OMNIPURE-SL10-C

    $27.39
    MSRP: $32.19
    Save 15%
  • K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    $29.99 MSRP: $49.99
    Save 40%
  • TS-500 Culligan Inline Water Filter Replacement by Tier1

    TS-500 Culligan Inline Water Filter Replacement by Tier1

    $29.99 MSRP: $49.99
    Save 40%

31 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top