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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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 215 total

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  • 35618 Brita Faucet Filter System - Chrome - 1

    Brita Chrome Faucet Filter System (#35618)

    $30.05
    MSRP: $59.79
    Save 50%
  • ACC5-CM Sprite Cascade Filtered Shower Head (5-Setting)

    ACC5-CM Sprite Cascade Filtered Shower Head (5-Setting)

    $30.05
    MSRP: $55.19
    Save 46%
  • LF-EC32-CP Hydronix Elegant Ceramic Faucet with 3-inch Shank
  • QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  • CR-5000 PUR Flavor Options 56-Ounce Water Pitcher
  • 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    $30.99
    MSRP: $49.56
    Save 37%
  • 3M Aqua-Pure AP814 Whole House Water Filter
  • 42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    $30.99
    MSRP: $44.84
    Save 31%
  • D-250A Culligan Undersink Filter Replacement Cartridge Set
  • ISH-200 Culligan Inline Shower Filter - Chrome

    ISH-200 Culligan Inline Shower Filter - Chrome

    $30.99
    MSRP: $32.19
    Save 4%
  • W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • Whirlpool WHKF-DB2 Undersink Replacement Water Filter Cartridge
  • MATRIKX-1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $30.99
    MSRP: $34.55
    Save 10%
  • 3G-STANDARD-34-PR20 Pentek Whole House Standard 20 inch Filter Housing
  • 40045 Camco TastePURE Inline Large Capacity Filter (2-Pack)
  • IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  • RDA-150 Culligan Shower Exstension Arm

    RDA-150 Culligan Shower Exstension Arm

    $31.99
    MSRP: $38.51
    Save 17%
  • 4US-MAXL-F01 Filtrete Replacement Filter Cartridge
  • HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge
  • BB-WH Sprite Filtered Bath Ball - White

    BB-WH Sprite Bath Ball Filter (White)

    $31.99
    MSRP: $34.34
    Save 7%
  • WSRV-8 Water Sentinel Inline RV Water Filter

    WSRV-8 Water Sentinel Inline RV Water Filter

    $31.99
    MSRP: $36.79
    Save 13%
  • MATRIKX-CTO2-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-CTO2-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • 800R OmniFilter Quick Change Replacement Filter Cartridge
  • ELF-1ML Omnipure Replacement Filter Cartridge

    ELF-1ML Omnipure Replacement Filter Cartridge

    $31.99
    MSRP: $40.24
    Save 21%
  • HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    HF-31 Brondell H2O+ Cypress Composite Plus Water Filter

    $31.99
    MSRP: $37.94
    Save 16%
  • HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    $31.99
    MSRP: $36.79
    Save 13%
  • CQE-SP-00800 Crystal Quest Luxury Shower Power Filter
  • 19026 Hydrologic Water Filtration System Pressure Gauge

    19026 Hydrologic Water Filtration System Pressure Gauge

    $31.99
    MSRP: $39.09
    Save 18%
  • CFS117-S Cuno Whole House Filter Replacement Cartridge

    CFS117-S Cuno Whole House Filter Replacement Cartridge

    $32.05
    MSRP: $40.24
    Save 20%
  • W9121202 Doulton AquaCera Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • QC10-CB1 Pentek Undersink Quick-Change Filter System

    QC10-CB1 Pentek Quick-Change Water Filtration System

    $32.95
    MSRP: $40.99
    Save 20%
  • 42557 Brita Riviera SMART OB35 64-Ounce Water Pitcher
  • 42201 Brita On-Tap FF-100 Faucet Filter System - White

    42201 Brita On-Tap FF-100 Faucet Filter System - White

    $32.99
    MSRP: $42.54
    Save 22%
  • 42402 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White (2-Pack)
  • 4WH-HDGAC-F01 Filtrete Replacement Filter Cartridge

    4WH-HDGAC-F01 3M Filtrete Water Filter Cartridge

    $32.99
    MSRP: $41.39
    Save 20%
  • WP01-WH-12 Filtrete Fast Flow Water Filter Pitcher
  • GXRLQR GE SmartWater Inline Filter Replacement Cartridge
  • WPX100BB20P Pentek Replacement Filter Cartridge
  • FM-3400B PUR 3-Stage Vertical Faucet Filter System - White
  • CQ-1000-NH Rainshowr Shower Filter System

    CQ-1000-NH Rainshowr Shower Filter System

    $32.99
    MSRP: $40.24
    Save 18%

Items 1 to 48 of 215 total

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