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

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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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23 Item(s)

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  • 3WH-STDSW-F02 3M Filtrete Replacement Water Filter Cartridges (2-Pack)
  • EPM-10 Pentek Undersink Filter Replacement Cartridge
  • NCP-10 Pentek Undersink Filter Replacement Cartridge

    NCP-10 Pentek Undersink Filter Replacement Cartridge

    $10.29
    MSRP: $15.99
    Save 36%
  • PX10-9-78 Purtrex Replacement Filter Cartridge

    PX10-9-78 Purtrex Replacement Water Filter

    $6.99
    MSRP: $8.04
    Save 13%
  • RS14-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)
  • GX10-9-78 Hytrex Replacement Filter Cartridge

    GX10-9-78 Hytrex Replacement Water Filter Cartridge

    $6.99
    MSRP: $8.61
    Save 19%
  • SDC-25-1010 Hydronix Sediment Water Filter Cartridge
  • CB-25-1010 Hydronix Carbon Water Filter Replacement
  • SPC-25-1010 Hydronix Pleated Sediment Water Filter
  • SWC-25-1010 Hydronix String Wound Sediment Water Filter

    SWC-25-1010 Hydronix String Wound Sediment Water Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • AP-GRMB-10PP-10UB Whole House Water Filter Replacement Cartridge
  • RS14SS Comparable Sediment Water Filter by Tier1

    RS14SS Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $6.99
    Save 14%
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    AF-10-2210 Aries Comparable Sediment Water Filter by Tier1

    $36.99
    MSRP: $56.39
    Save 34%
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    $5.99
    MSRP: $6.99
    Save 14%
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • EP10-10 Tier1 Carbon Block Water Filter
  • Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    $19.99 MSRP: $24.83
    Save 19%
  • RS14-SS OmniFilter Whole House Water Filter
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    PS5-10C Pentek Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $6.99
    Save 14%
  • WHKF-WHSW Whirlpool Comparable Whole House Replacement Sediment Filter Cartridge by Tier1 (2-Pack)

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