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

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Water Filtration Systems, Filters, & Parts

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 52 total

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  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge by Tier1
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    $21.99 MSRP: $31.73
    Save 31%
  • 64553 Jura Clearyl Coffee Machine Replacement Cartridge

    64553 Jura Clearyl Coffee Machine Replacement Cartridge

    $22.19
    MSRP: $33.99
    Save 35%
  • WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  • SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP1BB20P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • SPC-45-2050 Hydronix Pleated Sediment Water Filter
  • SPC-45-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-45-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • FM-BB-20-1A Flow Max Comparable Pleated Sediment Water Filter by Tier1
  • HB-20-1W Harmsco Comparable Pleated Sediment Water Filter by Tier1
  • SPC-45-2020 Hydronix Pleated Sediment Water Filter (20 in x 4.5 in, 20 Micron)
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP5BB20P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • 1236268 Merlin Reverse Osmosis Pre Filter
  • MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • HOC Sprite High Output Shower Filter Cartridge Replacement

    HOC Sprite High Output Shower Filter Cartridge Replacement

    $21.99
    MSRP: $24.14
    Save 9%

    Out of stock

  • K2555-BB Omnipure Deionization Inline Water Filter

    K2555-BB Omnipure Deionization Inline Water Filter

    $22.09
    MSRP: $33.99
    Save 35%
  • 85470 Inline Water Filters Washing Machine Inline Water Filter
  • K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    $23.99
    MSRP: $29.89
    Save 20%
  • CQE-RC-04000 Crystal Quest Carbon Block Water Filter Cartridge
  • CQE-RC-04045 Crystal Quest Replacement Shower Filter Cartridge
  • E5654 Omnipure Water Softening Water Filter

    E5654 Omnipure Water Softening Water Filter

    $24.99
    MSRP: $26.54
    Save 6%
  • 42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White
  • FS-1-100STSS Rusco Replacement Steel Sediment Trapper Filter
  • ISH-100 Culligan Level 2 Inline Shower Filter for 1/2 inch thread Shower Heads
  • WSK-1 Water Sentinel Replacement Water Filters

    WSK-1 Water Sentinel Replacement Water Filter

    $26.99
    MSRP: $33.34
    Save 19%
  • OB03 Brita Comparable Pitcher Replacement Cartridges by Tier1 (6-Pack)
  • 30027 New Wave Enviro Barrier Replacement Filter 3-Pack

    30027 New Wave Enviro Barrier Replacement Filter 3-Pack

    $27.29
    MSRP: $35.99
    Save 24%
  • FU-WDF-103-W Tier1 Long-Reach Faucet - White
  • CQE-FM-00500 Crystal Quest Faucet Filter (White)

    CQE-FM-00500 Crystal Quest Faucet Filter (White)

    $27.99
    MSRP: $33.34
    Save 16%
  • Dupont WFFM300XW Low Profile Faucet Mount Drinking Water Filter System
  • E5615-P Omnipure E-Series Water Filter

    E5615-P Omnipure E-Series Water Filter

    $29.99
    MSRP: $42.54
    Save 30%
  • KDF-SHF Tier1 Shower Filter

    KDF-SHF Tier1 Shower Filter

    $29.99
    MSRP: $36.79
    Save 18%
  • 7012333 Sub-Zero UC-15I Undercounter Icemaker Comparable Replacement Water Filter by Tier1
  • SPC-45-1001 Hydronix Pleated Sediment Water Filter

    SPC-45-1001 Hydronix Pleated Sediment Water Filter

    $20.99
    MSRP: $27.99
    Save 25%
  • WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    $20.99
    MSRP: $22.99
    Save 9%
  • SDC-45-2005 Hydronix Whole House Filter Replacement by Tier1

    SDC-45-2005 Hydronix Whole House Filter Replacement by Tier1

    $20.99 MSRP: $25.76
    Save 19%
  • SDC-45-2005 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter Cartridge by Tier1
  • SWC-45-20100 Hydronix String Wound Sediment Water Filter

    SWC-45-20100 Hydronix String-Wound Sediment Water Filter

    $22.99
    MSRP: $32.19
    Save 29%
  • SPC-45-2010 Hydronix Pleated Sediment Water Filter Cartridge
  • 655148-43/DFX-CB-20 Pentek Diamond Polyspun Carbon Block Replacement
  • SPC-45-2030 Hydronix Pleated Sediment Water Filter

    SPC-45-2030 Hydronix Pleated Sediment Water Filter

    $24.99
    MSRP: $32.99
    Save 24%

Items 1 to 48 of 52 total

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