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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

Items 1 to 48 of 58 total

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  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    $5.79 MSRP: $8.04
    Save 28%
  • S1A-D Culligan Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $8.04
    Save 13%
  • SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $10.91
    Save 36%
  • AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1
  • Hydronix SPC-25-1005 Pleated Water Filter

    SPC-25-1005 Hydronix Pleated Sediment Water Filter

    $7.99 MSRP: $9.19
    Save 13%
  • FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • DGD-2501 Pentek Comparable Whole House Filter by Tier1
  • SDC-25-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • Hydronix SDC-25-3010 Polypropylene Sediment Filter

    Hydronix SDC-25-3010 Polypropylene Sediment Filter

    $8.99
    MSRP: $13.79
    Save 35%
  • Hydronix SDC-25-3025 Polypropylene Sediment Filter

    Hydronix SDC-25-3025 Polypropylene Sediment Filter

    $8.99
    MSRP: $10.91
    Save 18%
  • P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    $2.05
    MSRP: $8.34
    Save 75%
  • P10-5 Tier1 Polypropylene Sediment Filter

    P10-5 Tier1 Polypropylene Sediment Filter

    $2.55
    MSRP: $5.74
    Save 56%
  • PX20-9-78 Purtrex Replacement Filter Cartridge

    PX20-9-78 Purtrex Water Filter Cartridge

    $3.99
    MSRP: $5.74
    Save 30%
  • SBC-25-1001 Hydronix Sediment Water Filter Cartridge
  • SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • PX05-20 Purtrex Replacement Water Filter

    PX05-20 Purtrex Replacement Water Filter

    $4.99
    MSRP: $9.19
    Save 46%
  • PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    $4.99
    MSRP: $8.04
    Save 38%
  • SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    $4.99
    MSRP: $6.89
    Save 28%
  • CB-25-0505 Hydronix Replacement Carbon Water Filter

    CB-25-0505 Hydronix Replacement Carbon Water Filter

    $4.99
    MSRP: $8.04
    Save 38%
  • SDC-25-0505 Hydronix Sediment Water Filter Cartridge

    SDC-25-0505 Hydronix Sediment Water Filter Cartridge

    $4.99
    MSRP: $6.89
    Save 28%
  • SDC-25-0510 Hydronix Sediment Water Filter Cartridge

    SDC-25-0510 Hydronix Sediment Water Filter Cartridge

    $4.99
    MSRP: $8.34
    Save 40%
  • HDG-SED-ACS Hydronix Replacement Filter Cartridge

    HDG-SED-ACS Hydronix Replacement Filter Cartridge

    $5.99
    MSRP: $8.04
    Save 25%
  • ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $5.99
    MSRP: $9.19
    Save 35%
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SWC-25-1030 Hydronix String Wound Sediment Water Filter
  • SDC-25-0501 Hydronix Sediment Water Filter Cartridge

    SDC-25-0501 Hydronix Sediment Water Filter Cartridge

    $5.99
    MSRP: $9.34
    Save 36%
  • SWC-25-1005 Hydronix String Wound Sediment Water Filter
  • P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge
  • SPC-25-2010 Hydronix Pleated Sediment Water Filter

    SPC-25-2010 Hydronix Pleated Sediment Water Filter

    $6.05
    MSRP: $12.64
    Save 52%
  • ICF-10Q Hydronix Inline Coconut Carbon Filter

    ICF-10Q Hydronix Inline Coconut Carbon Filter

    $6.99
    MSRP: $10.34
    Save 32%
  • ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $6.99
    MSRP: $10.34
    Save 32%
  • ISF-10 Hydronix Sediment Inline Filter

    ISF-10 Hydronix Sediment Inline Filter

    $6.99
    MSRP: $10.34
    Save 32%
  • SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • PX10-20 Purtrex Replacement Filter Cartridge

    PX10-20 Purtrex Replacement Water Filter

    $6.99
    MSRP: $9.19
    Save 24%
  • SPC-25-1030 Hydronix Pleated Sediment Water Filter

    SPC-25-1030 Hydronix Pleated Sediment Water Filter

    $6.99
    MSRP: $13.21
    Save 47%
  • SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    $6.99
    MSRP: $8.04
    Save 13%
  • CB-25-1010 Hydronix Carbon Water Filter Replacement

    CB-25-1010 Hydronix Carbon Water Filter Replacement

    $6.99
    MSRP: $10.34
    Save 32%
  • SDC-25-1001 Hydronix Sediment Water Filter Cartridge
  • SPC-25-1050 Hydronix Pleated Sediment Water Filter
  • ICF-10 Hydronix Inline Coconut Carbon Filter

    ICF-10 Hydronix Inline Coconut Carbon Filter

    $7.05
    MSRP: $9.19
    Save 23%
  • HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    $7.99
    MSRP: $9.19
    Save 13%
  • SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge

Items 1 to 48 of 58 total

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