Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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 65 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
  • AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    $10.99
    MSRP: $15.99
    Save 31%
  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • Pentek 255579-43 Inline Sediment Water Filter Replacement
  • HAC-10-W Harmsco Activated Carbon Water Filter Cartridge
  • WFDWC20001 DuPont Universal Drinking Water Carbon Block Cartridge
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $14.99
    MSRP: $19.99
    Save 25%
  • CBC-10 Pentek Replacement Water Filter

    Pentek CBC-10 Water Filter Replacement Cartridge

    $14.99 MSRP: $16.71
    Save 10%
  • EPM-20 Pentek Whole House Water Filter
  • EP5-20 Tier1 Carbon Block Water Filter

    EP5-20 Tier1 Carbon Block Water Filter

    $15.99 MSRP: $20.69
    Save 23%
  • WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • EPM-BB Pentek Comparable Carbon Whole House Water Filter
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    $19.05
    MSRP: $27.59
    Save 31%
  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99
    MSRP: $17.12
    Save 18%
  • OmniPure OMB934-10M-P Carbon Block with Scale Inhibitor

    OmniPure OMB934-10M-P Carbon Block with Scale Inhibitor

    $15.99
    MSRP: $18.34
    Save 13%
  • Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    $17.99
    MSRP: $20.34
    Save 12%
  • 67001 Aquamira Water Bottle Replacement Filter Cartridge
  • 67003 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge - front

    67003 Aquamira Frontier Sport Water Bottle Filter

    $11.05
    MSRP: $17.19
    Save 36%
  • E5320 Omnipure Replacement Filter Cartridge

    E5320 Omnipure Replacement Filter Cartridge

    $11.05
    MSRP: $17.24
    Save 36%
  • 67005 Aquamira Frontier Emergency Water Filter System

    67005 Aquamira Frontier Emergency Water Filter System

    $11.99
    MSRP: $13.74
    Save 13%
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge
  • 67011 / CR-100 Aquamira Water Bottle Replacement Filter Capsule - front

    67011 / CR-100 Aquamira Filtered Water Bottle Capsule

    $12.95
    MSRP: $17.19
    Save 25%
  • 67108 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge (Military) - front
  • PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge
  • SCL10-B Omnipure Scale Inline Filter

    SCL10-B Omnipure Scale Inline Filter

    $12.99
    MSRP: $17.24
    Save 25%
  • CEP-10E Pentek Replacement Filter Cartridge

    CEP-10E Pentek Replacement Filter Cartridge

    $12.99
    MSRP: $16.34
    Save 21%
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $12.99
    MSRP: $24.99
    Save 48%
  • FM-15RA Culligan Level 3 Faucet Filter Replacement Cartridge
  • GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $14.99
    MSRP: $17.34
    Save 14%
  • FLOPLUS-10 Pentek Replacement Filter Cartridge

    FLOPLUS-10 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $21.26
    Save 29%
  • 41400009 Hydrotech Reverse Osmosis Filter

    41400009 Hydrotech Reverse Osmosis Filter

    $14.99
    MSRP: $18.39
    Save 18%
  • 40645 Camco Evo Replacement Filter Cartridge

    40645 Camco Evo Replacement Water Filter

    $15.99
    MSRP: $18.39
    Save 13%
  • 41400011 Hydrotech Replacement Filter Cartridge

    41400011 Hydrotech Replacement Filter Cartridge

    $15.99
    MSRP: $19.54
    Save 18%
  • R7-1PK Instapure CompletePlus Faucet Filter Replacement Cartridge
  • CB-25-2001 Hydronix Carbon Water Filter Replacement

    CB-25-2001 Hydronix Carbon Water Filter Replacement

    $16.05
    MSRP: $20.34
    Save 21%
  • 01013029 Culligan Reverse Osmosis Filter Cartridge
  • F5-WHITE Instapure Complete Faucet Filter System - White
  • R5-1PK Instapure Complete Faucet Filter Replacement Cartridge
  • OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge
  • CFB-Plus20 Pentek Replacement Filter Cartridge

    CFB-Plus20 Pentek Replacement Water Filter Cartridge

    $16.99
    MSRP: $21.26
    Save 20%
  • 67006 Aquamira Frontier Pro Portable Emergency Filter System
  • GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    $17.99
    MSRP: $20.69
    Save 13%
  • MAXPB-975 Watts C-MAX Replacement Filter Cartridge

    MAXPB-975 Watts C-MAX Water Filter Cartridge

    $17.99
    MSRP: $20.69
    Save 13%
  • Q5515 Omnipure Water Filter

    Q5515 Omnipure Water Filter

    $17.99
    MSRP: $20.34
    Save 12%
  • WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge

Items 1 to 48 of 65 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
Scroll To Top