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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 1 to 48 of 65 total

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  • 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
    MSRP: $1,125.00
    Save 22%
  • VIQUA-E4
  • Viqua VP950 UltraViolet Water Disinfection System

    Viqua VP950 UltraViolet Water Disinfection System (46 gpm)

    $965.99
    MSRP: $1,275.00
    Save 24%
  • VIQUA-E4-V
  • VIQUA-IHS12-D4

    IHS12-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,039.99
    MSRP: $1,385.00
    Save 25%
  • VIQUA-D4+
  • VIQUA-IHS22-D4

    IHS22-D4 Viqua Home Plus UltraViolet Water Disinfection System

    $1,125.99
    MSRP: $1,495.00
    Save 25%
  • IHS22-D4 Trojan UV Disinfection System
  • VIQUA-PRO50
  • 3M Aqua-Pure SS48 EPE-316L Whole House Stainless Steel Filter Housing
  • GP802AL2 Pentek Bag Filter Housing - Aluminum

    GP802AL2 Pentek Bag Filter Housing - Aluminum

    $999.99
    MSRP: $1,140.79
    Save 12%
  • MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel
  • 650652 Trojan UV Max UV System
  • 650653 Trojan UV Max UV System
  • 660039-R D4-V Viqua UltraViolet Disinfection System

    660039-R D4-V Viqua UltraViolet Disinfection System

    $695.99
    MSRP: $895.00
    Save 22%
  • 4002124 American Plumber Whole House Sediment Filter System
  • SED-100DM Tier1 Metered Sediment Reduction Backwash Water Filter System
  • CQE-WC-00907 Crystal Quest Water Cooler

    CQE-WC-00907 Crystal Quest Water Cooler

    $702.99
    MSRP: $810.74
    Save 13%
  • FWR080 Pentek Reverse Osmosis System Storage Tank

    FWR080 Pentek Reverse Osmosis System Storage Tank

    $730.99
    MSRP: $807.29
    Save 9%
  • SC-320 Sterilight Cobalt Series UV Disinfection System
  • ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    $759.05
    MSRP: $1,009.11
    Save 25%
  • 110720 Amway eSpring UV Water Purification System
  • SC-600 Sterilight UV Disinfection System
  • CQP-WC-05900 Crystal Quest Water Cooler

    CQP-WC-05900 Crystal Quest Water Cooler

    $792.99
    MSRP: $910.79
    Save 13%
  • SSM-37 Sterilight Silver Plus UV Disinfection System
  • 200025 Flexeon LT-300 Commercial RO System
  • ST-BC-8 Pentek Filter Housing - Stainless Steel
  • 660040-R Trojan UV Max Disinfection System
  • PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    $999.99
    MSRP: $1,152.29
    Save 13%
  • NF90-400 Filmtec Nanofiltration Element

    NF90-400 Dow Filmtec Nanofiltration Element

    $999.99
    MSRP: $1,152.29
    Save 13%
  • SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System
  • IHS12-D4 Trojan UV Disinfection System
  • 650695 Trojan UV Max UV Water Purification System
  • 650686 Trojan UV Max UV Water Purification System
  • 650686 F4 Viqua Professional Plus UltraViolet Disinfection System
  • 650683 Trojan UV Max UV Water Purification System
  • SPV-410 Sterilight Platinum UV Disinfection System
  • 8016389 Katadyn Camping Filter System

    8016389 Katadyn Camping Filter System

    $1,499.95
    MSRP: $1,727.24
    Save 13%
  • 650687 Trojan UVMAX F4 Plus UV Disinfection System
  • SS4-EPE-316L 3M Aqua-Pure Water Filter System

    SS4-EPE-316L 3M Aqua-Pure Filter System

    $1,558.99
    MSRP: $1,795.14
    Save 13%

Items 1 to 48 of 65 total

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