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

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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.

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Items 1 to 48 of 291 total

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  • SDC-25-3005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SPC-25-1030 Hydronix Pleated Sediment Water Filter

    SPC-25-1030 Hydronix Pleated Sediment Water Filter

    $9.99
    MSRP: $13.21
    Save 24%
  • SWC-25-1020 Hydronix String Wound Sediment Water Filter

    SWC-25-1020 Hydronix String Wound Sediment Water Filter

    $6.99
    MSRP: $9.99
    Save 30%
  • SDC-25-4001 Hydronix Sediment Water Filter Cartridge
  • P10-30 Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)
  • Hydronix SDC-25-3001 Polypropylene Sediment Filter
  • Hydronix SDC-25-3025 Polypropylene Sediment Filter

    Hydronix SDC-25-3025 Polypropylene Sediment Filter

    $8.99
    MSRP: $10.91
    Save 18%
  • Hydronix SDC-25-3075 Polypropylene Sediment Filter
  • Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    $11.99
    MSRP: $13.56
    Save 12%
  • Hydronix SDC-25-4010 Polypropylene Sediment Filter
  • Hydronix SDC-25-4025 Polypropylene Sediment Filter
  • Hydronix SDC-25-4050 Polypropylene Sediment Filter
  • Hydronix SDC-25-4075 Polypropylene Sediment Filter
  • SDC-25-3001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SDC-25-4001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SDC-25-4010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • P25-30 Comparable Polypropylene Sediment Filter by Tier1
  • SDC-25-4025 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • P5-30 30 X 2.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
  • P5-40 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
  • SDC-25-4050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • AP110 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1
  • FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    $16.99
    MSRP: $17.24
    Save 1%
  • Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing
  • ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge
  • Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Hydronix HF45-10BLBK15 Filter Housing (Blue)

    $59.99
    MSRP: $75.99
    Save 21%
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    $21.99 MSRP: $31.73
    Save 31%
  • SDC-45-2020 Hydronix Sediment Water Filter
  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $8.04
    Save 13%
  • Hydronix SPC-25-1005 Pleated Water Filter
  • SPC-25-1020 Hydronix Sediment Water Filter
  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • SPC-45-1020 Hydronix Pleated Sediment Water Filter
  • Hydronix SPC-45-1030 Sediment Water Filter - Pleated

    SPC-45-1030 Hydronix Pleated Sediment Water Filter

    $17.99 MSRP: $19.54
    Save 8%

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