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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Items 1 to 48 of 190 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
  • WIC-6A American Plumber Inline Icemaker Filter
  • 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

    $31.99
    MSRP: $34.49
    Save 7%
  • 3M Aqua-Pure APIL3R Inline Water Filter
  • AQUA-PURE-IL-IM-01

    AQUA-PURE-IL-IM-01

    $18.99
    MSRP: $24.14
    Save 21%
  • 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

    $35.29
    MSRP: $38.51
    Save 8%
  • 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

    $45.19
    MSRP: $50.59
    Save 11%
  • CULLIGAN-TS-500

    CULLIGAN-TS-500

    $30.89
  • DAEWOO-DD-7098

    DAEWOO-DD-7098

    $31.89
  • 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%
  • GXRLQ

    GXRLQ

    $37.59
  • GXRLQR

    GXRLQR

    $36.49
  • GXRTDR

    GXRTDR

    $20.99
    MSRP: $24.19
    Save 13%
  • ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $8.99
    MSRP: $9.19
    Save 2%
  • ICF-10Q Hydronix Inline Coconut Carbon Filter

    ICF-10Q Hydronix Inline Coconut Carbon Filter

    $10.99
    MSRP: $15.99
    Save 31%
  • HYDRONIX-ICF-10Q38

    HYDRONIX-ICF-10Q38

    $9.89
    MSRP: $11.49
    Save 14%
  • HYDRONIX-ICF-2512

    HYDRONIX-ICF-2512

    $26.49
  • ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $6.49
    MSRP: $13.99
    Save 54%
  • ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $10.99
    MSRP: $15.99
    Save 31%
  • ISF-10 Hydronix Sediment Inline Filter

    ISF-10 Hydronix Sediment Inline Filter

    $7.79
    MSRP: $14.99
    Save 48%
  • HYDRONIX-ISF-2512

    HYDRONIX-ISF-2512

    $9.89
    MSRP: $12.64
    Save 22%
  • 1100R OmniFilter Quick Change Replacement Filter Cartridge
  • PENTEK-GS-10-B

    PENTEK-GS-10-B

    $11.09
    MSRP: $12.75
    Save 13%
  • PENTEK-GS-10-JG14

    PENTEK-GS-10-JG14

    $12.99
    MSRP: $15.28
    Save 15%
  • PENTEK-GS-10ALS-JG14

    PENTEK-GS-10ALS-JG14

    $14.69
    MSRP: $17.70
    Save 17%
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge
  • PENTEK-IC-101L

    PENTEK-IC-101L

    $12.99
  • PENTEK-TS-101L

    PENTEK-TS-101L

    $13.19
    MSRP: $15.28
    Save 14%
  • R200

    R200

    $14.99
    MSRP: $16.09
    Save 7%
  • GG-2010 Rainshowr Gard'n Gro Garden Dechlorinator

    GG-2010 Rainshowr Gard'n Gro Garden Dechlorinator

    $56.99
    MSRP: $67.84
    Save 16%
  • GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    $65.79
    MSRP: $118.99
    Save 45%
  • PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    $46.99
    MSRP: $56.34
    Save 17%
  • PFS Rainshowr Gard'n Gro Garden Sediment Pre-Filter Replacement Screen
  • RCGG Rainshowr Gard'n Gro Garden Dechlorinator Replacement Cartridge (2-Pack) - 1

Items 1 to 48 of 190 total

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