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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 49 to 96 of 101 total

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  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    $24.69 Retail Price:  $30.69
  • IC-101L Pentek Inline Filter

    IC-101L Pentek Inline Filter

    $8.99 Retail Price:  $12.98
  • QC10-GAC Pentek Undersink Quick-Change Filter System

    QC10-GAC Pentek Quick-Change Water Filter System

    $22.99 Retail Price:  $30.69
  • QC10-GACR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • R200 OmniFilter Inline Filter System

    R200 OmniFilter Inline Water Filtration System

    $14.99 Retail Price:  $16.09
  • HM8-CM Sprite PureMist Filtered Shower Handle - Chrome
  • 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge
  • 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  • WSRV-8 Water Sentinel Inline RV Water Filter

    WSRV-8 Water Sentinel Inline RV Water Filter

    $31.99 Retail Price:  $36.79
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge
  • WHKF-IMTO Whirlpool Inline Filter

    WHKF-IMTO Whirlpool Inline Filter

    $11.99 Retail Price:  $14.94
  • MATRIKX-Pb1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge
  • LSJC10 Lifesaver 10000UF Jerrycan
  • LSJC10RC Lifesaver 10000UF Jerrycan Replacement Filter Cartridge
  • 800R OmniFilter Quick Change Replacement Filter Cartridge
  • BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    Regular Price: $69.99

    Special Price: $57.05

  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99 Retail Price:  $35.64
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99 Retail Price:  $26.44
  • E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    $20.99 Retail Price:  $31.04
  • E5720 Omnipure Replacement Filter Cartridge

    E5720 Omnipure Replacement Filter Cartridge

    $33.99 Retail Price:  $36.34
  • E5720-P Omnipure Replacement Filter Cartridge

    E5720-P Omnipure Replacement Filter Cartridge

    $25.99 Retail Price:  $32.19
  • ELF-1ML Omnipure Replacement Filter Cartridge

    ELF-1ML Omnipure Replacement Filter Cartridge

    $31.99 Retail Price:  $40.24
  • K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    $20.99 Retail Price:  $23.34
  • K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    $15.99 Retail Price:  $17.24
  • K5633JJ Omnipure Inline GAC Filter Cartridge

    K5633JJ Omnipure Inline GAC Filter Cartridge

    $14.39 Retail Price:  $18.85
  • K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    $14.39 Retail Price:  $18.85
  • OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge
  • Q5505 Omnipure Water Filter

    Q5505 Omnipure Water Filter

    $11.49 Retail Price:  $15.51
  • Q5620 Omnipure Replacement Filter Cartridge

    Q5620 Omnipure Replacement Filter Cartridge

    $19.99 Retail Price:  $25.29
  • Q5620-P Omnipure Replacement Filter Cartridge

    Q5620-P Omnipure Replacement Filter Cartridge

    $23.99 Retail Price:  $29.89
  • Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    $19.99 Retail Price:  $24.14
  • Q5621-P Omnipure Replacement Filter Cartridge

    Q5621-P Omnipure Replacement Filter Cartridge

    $21.99 Retail Price:  $27.59
  • Q5633 Omnipure Replacement Filter Cartridge

    Q5633 Omnipure Replacement Filter Cartridge

    $16.99 Retail Price:  $20.69
  • Q5640 Omnipure Replacement Filter Cartridge

    Q5640 Omnipure Replacement Filter Cartridge

    $15.99 Retail Price:  $20.69
  • Q5786 Omnipure Replacement Filter Cartridge

    Q5786 Omnipure Replacement Filter Cartridge

    $19.99 Retail Price:  $25.29
  • C1 Pentek Undersink Filter Replacement Cartridge

    C1 Pentek Undersink Filter Replacement Cartridge

    $12.99 Retail Price:  $15.34
  • CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    $9.99 Retail Price:  $16.55
  • SFH5-CM Sprite ShowerFalls Filtered Shower Extension - Chrome - 1
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $45.99 Retail Price:  $52.73
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $30.99 Retail Price:  $34.55
  • H2O+ Brondell Cypress Countertop Water Filtration System (#H630)
  • HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    $31.99 Retail Price:  $37.94
  • HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    $49.99 Retail Price:  $60.94
  • HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    $31.99 Retail Price:  $36.79
  • E5620 Omnipure E-Series Everpure Compatible Filter

    E5620 Omnipure E-Series Everpure Compatible Filter

    $18.99 Retail Price:  $36.79
  • E5733 Omnipure Granular Activated Carbon Water Filter

    E5733 Omnipure Granular Activated Carbon Water Filter

    $14.99 Retail Price:  $19.54
  • K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    $22.99 Retail Price:  $28.74

Items 49 to 96 of 101 total

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