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).

Items 1 to 48 of 141 total

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  • AMERICAN-HYDRO-SYSTEMS-265062

    AMERICAN-HYDRO-SYSTEMS-265062

    $34.21
    MSRP: $41.64
    Save 18%
  • AMERICAN-PLUMBER-600R

    AMERICAN-PLUMBER-600R

    $31.99
    MSRP: $35.06
    Save 9%
  • AMERICAN-PLUMBER-WIC-600

    AMERICAN-PLUMBER-WIC-600

    $55.99
  • AMERICAN-PLUMBER-WIC-6A

    AMERICAN-PLUMBER-WIC-6A

    $13.99
    MSRP: $14.94
    Save 6%
  • AMERICAN-PLUMBER-WICA

    AMERICAN-PLUMBER-WICA

    $14.09
    MSRP: $18.50
    Save 24%
  • AMERICAN-PLUMBER-WICSA

    AMERICAN-PLUMBER-WICSA

    $15.39
    MSRP: $20.00
    Save 23%
  • AQUAPURE-AP431

    AQUAPURE-AP431

    $30.99
    MSRP: $33.25
    Save 7%
  • 3M Aqua-Pure AP460 Replacement Filter Cartridge
  • AQUAPURE-AP717

    AQUAPURE-AP717

    $25.99
    MSRP: $34.49
    Save 25%
  • AQUAPURE-APIL3R

    AQUAPURE-APIL3R

  • AQUA-PURE-IL-IM-01

    AQUA-PURE-IL-IM-01

    $18.99
    MSRP: $24.14
    Save 21%
  • AQUAPURE-QCM-CONNECTOR

    AQUAPURE-QCM-CONNECTOR

    $3.99
    MSRP: $5.74
    Save 30%
  • IC-1000 Culligan Inline Filter
  • CULLIGAN-IC-100-D

    CULLIGAN-IC-100-D

    $12.99
    MSRP: $16.78
    Save 23%
  • IC-750 Culligan Inline Filter
  • CULLIGAN-IC-EZ-1

    CULLIGAN-IC-EZ-1

    $20.99
    MSRP: $27.13
    Save 23%
  • CULLIGAN-IC-EZ-3

    CULLIGAN-IC-EZ-3

    $31.99
    MSRP: $38.51
    Save 17%
  • CULLIGAN-IC-EZ-4

    CULLIGAN-IC-EZ-4

    $56.99
    MSRP: $71.29
    Save 20%
  • CULLIGAN-RC-EZ-1

    CULLIGAN-RC-EZ-1

    $15.99
    MSRP: $17.93
    Save 11%
  • CULLIGAN-RC-EZ-3

    CULLIGAN-RC-EZ-3

    $24.99
    MSRP: $31.04
    Save 19%
  • CULLIGAN-RC-EZ-4

    CULLIGAN-RC-EZ-4

    $40.99
    MSRP: $50.59
    Save 19%
  • CULLIGAN-TS-500

    CULLIGAN-TS-500

    $27.99
    MSRP: $31.04
    Save 10%
  • DD-7098 Daewoo Inline Filter

    DD-7098 Daewoo Inline Filter

    $28.99
    MSRP: $31.34
    Save 7%
  • EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    $20.99
    MSRP: $33.34
    Save 37%
  • GXRLQ

    GXRLQ

    $33.99
    MSRP: $36.79
    Save 8%
  • GXRLQR

    GXRLQR

    $32.99
    MSRP: $34.99
    Save 6%
  • GXRTDR

    GXRTDR

    $18.99
    MSRP: $24.19
    Save 21%
  • HYDRONIX-ICF-10

    HYDRONIX-ICF-10

    $7.05
    MSRP: $9.19
    Save 23%
  • HYDRONIX-ICF-10Q

    HYDRONIX-ICF-10Q

    $6.99
    MSRP: $10.34
    Save 32%
  • HYDRONIX-ICF-10Q38

    HYDRONIX-ICF-10Q38

    $8.99
    MSRP: $11.49
    Save 22%
  • HYDRONIX-ICF-2512

    HYDRONIX-ICF-2512

    $23.99
  • HYDRONIX-ICF-6

    HYDRONIX-ICF-6

    $5.99
    MSRP: $9.19
    Save 35%
  • HYDRONIX-ICF-6Q

    HYDRONIX-ICF-6Q

    $6.99
    MSRP: $10.34
    Save 32%
  • HYDRONIX-ISF-10

    HYDRONIX-ISF-10

    $6.99
    MSRP: $10.34
    Save 32%
  • HYDRONIX-ISF-2512

    HYDRONIX-ISF-2512

    $8.99
    MSRP: $12.64
    Save 29%
  • OMNIFILTER-1100R

    OMNIFILTER-1100R

  • GS-10-B Pentek Inline Filter Replacement Cartridge

    GS-10-B Pentek Replacement Inline Water Filter Cartridge

    $9.99
    MSRP: $12.75
    Save 22%
  • GS-10-JG14 Pentek Inline Filter System

    GS-10-JG14 Pentek Inline Water Filtration System

    $12.99
    MSRP: $15.28
    Save 15%
  • GS-10ALS-JG14 Pentek Inline Filter System

    GS-10ALS-JG14 Pentek Inline Water Filter

    $13.39
    MSRP: $17.70
    Save 24%
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

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

    $24.69
    MSRP: $30.69
    Save 20%
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge
  • IC-101L Pentek Inline Filter
  • TS-101L Pentek Lime/Scale Inline Filter

    TS-101L Pentek Lime/Scale Inline Filter

    $11.99
    MSRP: $15.28
    Save 22%
  • R200

    R200

    $14.99
    MSRP: $16.09
    Save 7%
  • RAINSHOWR-GG-2010

    RAINSHOWR-GG-2010

    $56.99
    MSRP: $67.84
    Save 16%
  • RAINSHOWR-GK-1

    RAINSHOWR-GK-1

    $57.05
    MSRP: $70.14
    Save 19%
  • RAINSHOWR-PFGG

    RAINSHOWR-PFGG

    $46.99
    MSRP: $56.34
    Save 17%
  • RAINSHOWR-PFS

    RAINSHOWR-PFS

    $7.99
    MSRP: $11.49
    Save 30%

Items 1 to 48 of 141 total

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