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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 52 total

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  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 155016-43 Pentek Comparable Whole House Water Filter by Tier1
  • P5-20 Tier1 Sediment Water Filter

    P5-20 Tier1 Whole House Sediment Water Filter

    $4.99 MSRP: $9.19
    Save 46%
  • RS14-SS OmniFilter Whole House Water Filter
  • P1-20 Pentek Comparable Sediment Water Filter by Tier1

    P1-20 Pentek Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $10.99
    Save 45%
  • SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $10.91
    Save 36%
  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $10.34
    Save 32%
  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)
  • S1 Pentek Comparable Whole House Water Filter by Tier1
  • PS1-20C Pentek Sediment Water Filter

    PS1-20C Pentek Sediment Water Filter

    $7.99
    MSRP: $13.55
    Save 41%
  • AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1
  • AP-GRMB-10PP-10UB Whole House Water Filter Replacement Cartridge
  • AP-GRMB-20PP-10UB Whole House Water Filter Cartridge by 3M Aqua-Pure
  • Hydronix SPC-25-1005 Pleated Water Filter

    SPC-25-1005 Hydronix Pleated Sediment Water Filter

    $7.99 MSRP: $9.19
    Save 13%
  • Pentek S1 Pleated Whole House Sediment Filter
  • RS1-SS OmniFilter Whole House Water Filter
  • Pentek ECP1-10 Replacement Water Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    $8.99 MSRP: $10.57
    Save 15%
  • 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
  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    $9.99 MSRP: $24.64
    Save 59%
  • The Pentek C1 comparable Whole House Carbon Water Filter by Tier1
  • 3M Aqua-Pure AP-GRMB-50PP-10UB
  • Pentek PS5-30C Polypropylene Sediment Filter

    Pentek PS5-30C Polypropylene Sediment Filter

    $9.99
    MSRP: $12.64
    Save 21%
  • PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • FPMB20-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB20-978 Watts Flo-Pro Replacement Water Filter

    $3.99
    MSRP: $5.16
    Save 23%
  • SDC-25-1020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • FPMB5-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-978 Watts Flo-Pro Water Filter Cartridge

    $4.99
    MSRP: $5.16
    Save 3%
  • SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    $4.99
    MSRP: $6.89
    Save 28%
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • FPMB5-20 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-20 Watts Flo-Pro Water Filter Cartridge

    $5.99
    MSRP: $6.89
    Save 13%
  • P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge
  • RS14-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)
  • RS2-SS OmniFilter Whole House Filter Replacement Cartridge

    RS2-SS OmniFilter Whole House Water Filter Cartridge

    $6.99
    MSRP: $8.04
    Save 13%
  • RS3-SS OmniFilter Whole House Filter Replacement Cartridge
  • RS7-SS OmniFilter Whole House Filter Replacement Cartridge
  • 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%
  • SPC-25-1050 Hydronix Pleated Sediment Water Filter
  • RS3DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • C2 Pentek Undersink Filter Replacement Cartridge

    C2 Pentek Undersink Filter Replacement Cartridge

    $7.99
    MSRP: $8.84
    Save 10%
  • SPC-25-1010 Hydronix Pleated Sediment Water Filter
  • AP-GRMB-01PP-10UB Whole House Replacement Cartridge by 3M Aqua-Pure
  • RS2DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)

Items 1 to 48 of 52 total

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