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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40 Item(s)

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  • SPC-45-2020 Hydronix Pleated Sediment Filter
  • 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)
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • CW-MF Pentek Comparable Whole House Sediment Waters Filter by Tier1 (6-Pack)
  • F8-WHITE Instapure Ultra Faucet Filter System - White

    F8 Instapure Ultra Faucet Filter System - White

    $28.99
    MSRP: $31.04
    Save 7%
  • 1236268 Merlin Reverse Osmosis Pre Filter

    1236268 GE Merlin Reverse Osmosis Pre Filter

    $29.99
    MSRP: $32.34
    Save 7%
  • MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White
  • SPC-45-2030 Hydronix Pleated Sediment Water Filter

    SPC-45-2030 Hydronix Pleated Sediment Water Filter

    $20.99
    MSRP: $31.04
    Save 32%
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • FM-3333B PUR 2-Stage Vertical Faucet Filter System - White

    FM-3333B PUR 2-Stage Vertical Faucet Filter System - White

    $21.99
    MSRP: $31.04
    Save 29%
  • SWC-45-20100 Hydronix String Wound Sediment Water Filter

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

    $21.99
    MSRP: $32.19
    Save 32%
  • FM-3333B PUR Vertical Faucet Mount w/2-Stage Water Filtration System
  • HOC Sprite High Output Shower Filter Cartridge Replacement
  • K2555-BB Omnipure Deionization Inline Water Filter

    K2555-BB Omnipure Deionization Inline Water Filter

    $22.09
    MSRP: $33.99
    Save 35%
  • CQE-RC-04015 Crystal Quest Reusable Pleated Water Filter

    CQE-RC-04015 Crystal Quest Reusable Pleated Water Filter

    $22.59
    MSRP: $29.99
    Save 25%
  • 85470 Inline Water Filters Washing Machine Inline Water Filter
  • SPC-45-2010 Hydronix Pleated Sediment Water Filter Cartridge
  • SWC-45-2001 Hydronix String Wound Sediment Water Filter

    SWC-45-2001 Hydronix String-Wound Sediment Water Filter

    $23.99
    MSRP: $27.59
    Save 13%
  • 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
  •  RF-3375-2-PACK PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White (2-Pack)
  • SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    $24.99
    MSRP: $26.44
    Save 5%
  • 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
  • SWC-45-2050 Hydronix String Wound Sediment Water Filter

    SWC-45-2050 Hydronix String-Wound Sediment Water Filter

    $25.99
    MSRP: $30.81
    Save 16%
  • SPC-45-2001 Hydronix Pleated Sediment Water Filter

    SPC-45-2001 Hydronix Pleated Sediment Water Filter

    $25.99
    MSRP: $34.49
    Save 25%
  • ISH-100 Culligan Level 2 Inline Shower Filter for 1/2 inch thread Shower Heads
  • WSK-1 Water Sentinel Replacement Water Filters (2-Pack)
  • 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%

40 Item(s)

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