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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30 Item(s)

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  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99
    MSRP: $34.49
    Save 25%
  • 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
  • EVERPURE-EV9100-08

    EVERPURE-EV9100-08

    $22.19
    MSRP: $25.24
    Save 12%
  • GXRTDR

    GXRTDR

    $20.99
    MSRP: $24.19
    Save 13%
  • HYDRONIX-ICF-2512

    HYDRONIX-ICF-2512

    $26.49
  • 1100R OmniFilter Quick Change Replacement Filter Cartridge
  • PENTEK-GS-215-CB5-B

    PENTEK-GS-215-CB5-B

    $26.99
    MSRP: $30.69
    Save 12%
  • WHKF-IMPLUS Whirlpool Inline Filter System
  • GXILQR GE SmartWater Inline Filter Replacement Cartridge
  • 85470 Inline Water Filters Washing Machine Inline Water Filter
  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99
    MSRP: $35.64
    Save 19%
  • OMNIPURE-K2515-JJ

    OMNIPURE-K2515-JJ

    $21.89
    MSRP: $25.29
    Save 13%
  • OMNIPURE-K2520-JJ

    OMNIPURE-K2520-JJ

    $20.79
    MSRP: $24.14
    Save 14%
  • K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge
  • OMNIPURE-K5515-BB

    OMNIPURE-K5515-BB

    $26.29
  • OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $21.09
    MSRP: $27.59
    Save 24%
  • K5562-BB-NRW37 Omnipure Deionization Inline Filter

    K5562-BB-NRW37 Omnipure Deionization Inline Filter

    $22.99
    MSRP: $25.29
    Save 9%
  • K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    $20.99
    MSRP: $26.44
    Save 21%
  • K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    $20.99
    MSRP: $23.34
    Save 10%
  • BEVGUARD-IN1013-2

    BEVGUARD-IN1013-2

    $28.59
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • OMNIPURE-K2555-BB

    OMNIPURE-K2555-BB

    $21.89
  • K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    $23.99
    MSRP: $29.89
    Save 20%
  • IL-FILTER H2O International Inline Shower Filter Cartridge Replacement
  • K2553-JJ Omnipure Nitrate Water Filter

    K2553-JJ Omnipure Nitrate Water Filter

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

    OMNIPURE-K5520BB

    $25.19
    MSRP: $28.74
    Save 12%
  • K5615-BB Omnipure Carbon Block Inline Filter

    K5615-BB Omnipure Carbon Block Inline Filter

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

    OMNIPURE-SL10-C

    $27.39
    MSRP: $32.19
    Save 15%

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