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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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  • 650627 Viqua PRO Solenoid Valve Kit

    650627 Viqua PRO Solenoid Valve Kit

    $315.99 Retail Price:  $450.00
  • 650713-007 Viqua UV Disinfection System Controller

    650713-007 Viqua UV Disinfection System Controller

    $315.99 Retail Price:  $450.00
  • 650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua E4/F4 Solenoid Valve Kit with Junction Box

    $325.99 Retail Price:  $595.00
  • Brondell H2O+ Circle Reverse Osmosis Water Filtration System
  • 650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    650717-001 Viqua D4 Solenoid Valve Kit with Junction Box

    $393.99 Retail Price:  $565.00
  • 3M Aqua-Pure APDWS1000 Undersink Water Filter System

    APDWS1000 Undersink Water Filter System by 3M Aqua-Pure

    $394.99 Retail Price:  $397.34
  • VIQUA-S5Q-PV
  • VIQUA-S8Q-PA

    S8Q-PA Viqua Home UltraViolet Water Disinfection System

    $415.99 Retail Price:  $575.00
  • Viqua VT4-DWS11 Ultraviolet Filtration System

    Viqua VT4-DWS11 Ultraviolet Filtration System

    $448.49 Retail Price:  $529.99
  • 650730-004 Viqua LightWise Upgrade Kit for Pro 10 Systems

    650730-004 Viqua LightWise Upgrade Kit for Pro 10 Systems

    $655.99 Retail Price:  $1027.99
  • 650730-005 Viqua LightWise Upgrade Kit for the PRO 20

    650730-005 Viqua LightWise Upgrade Kit for Pro 20 Systems

    $655.99 Retail Price:  $1029.99
  • 650730-006 Viqua LightWise Upgrade Kit for Pro 30 Systems

    650730-006 Viqua LightWise Upgrade Kit for Pro 30 Systems

    $655.99 Retail Price:  $1029.99
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (50-Pack)
  • Viqua VP600 Cobalt Series UltraViolet Disinfection System
  • VH410M Viqua Home Plus UltraViolet Water Disinfection System

    VH410M Viqua Home Plus UltraViolet Water Disinfection System

    $875.99 Retail Price:  $1125.00
  • VIQUA-E4
  • Viqua VP950 UltraViolet Water Disinfection System

    Viqua VP950 UltraViolet Water Disinfection System (46 gpm)

    $965.99 Retail Price:  $1275.00
  • VIQUA-E4-V
  • VIQUA-IHS12-D4

    IHS12-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,039.99 Retail Price:  $1385.00
  • VIQUA-D4+
  • VIQUA-IHS22-D4

    IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,125.99 Retail Price:  $1495.00
  • IHS22-D4 Trojan UV Disinfection System
  • VIQUA-E4+
  • 3M Aqua-Pure SS12 EPE-316L Whole House Stainless Steel Filter Housing
  • PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel
  • GP802AL2 Pentek Bag Filter Housing - Aluminum

    GP802AL2 Pentek Bag Filter Housing - Aluminum

    $999.99 Retail Price:  $1140.79
  • MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel
  • 650652 Trojan UV Max UV System
  • 650653 Trojan UV Max UV System
  • 254NM-FP2 Sterilight Flow Pace UV Sensor
  • BA-E36122 Sterilight UV Disinfection System Electronic Ballast
  • 650580 Trojan UV Max UV Water Purification System Sensor
  • 650388 Trojan UV Max UV Water Purification System
  • RC540T50-T Tier1 Countertop Reverse Osmosis Filter System
  • 2110070 Katadyn Camping Filter System

    2110070 Katadyn Camping Filter System

    $317.95 Retail Price:  $367.94
  • AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    $319.99 Retail Price:  $370.29
  • BG-1000 Body Glove Water Filtration System

    BG-1000 Body Glove Water Filtration System

    $327.05 Retail Price:  $390.99
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99 Retail Price:  $381.79
  • UV-110-1 Pentek UV System

    UV-110-1 Pentek UV System

    $339.89 Retail Price:  $393.17
  • 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    $339.99 Retail Price:  $607.19
  • LSJC10 Lifesaver 10000UF Jerrycan
  • S5Q-PA UV Sterilight Water Sterilizer System

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