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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!
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  • 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 107 total

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  • HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green Lid
  • HBSF-Orng Hydros Side-Fill Water Purifier Bottle - Orange Lid

    Orange Lid Hydros Side-Fill Water Purifier Bottle

    $27.99 Retail Price:  $34.49
  • HBSF-Pnk Hydros Side-Fill Water Purifier Bottle - Pink Lid
  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • SB-3 Squeezable Filtered Sport Bottle (27 oz.)

    SB-3 WaterWay Squeezable Filtered Sport Bottle (27 oz.)

    Regular Price: $10.99

    Special Price: $9.05

  • SB-2R Water Bottle Replacement Filters (2-Pack)

    SB-2R Water Bottle Replacement Filters (2-Pack)

    Regular Price: $7.99

    Special Price: $7.05

  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack
  • DuPont WFPTC100X Water Pitcher Replacement Cartridge High Protection
  • 35430 Brita Grand Pitcher Orange

    35430 Brita Grand Pitcher Orange

    $41.99 Retail Price:  $45.99
  • 35735 Brita Pacifica Pitcher Filter System
  • ZR-001 ZeroWater Replacement Filter Cartridge

    ZR-001 ZeroWater Replacement Filter Cartridge

    $19.99 Retail Price:  $20.69
  • ZR-006 ZeroWater Replacement Filter Cartridge (4-Pack)

    ZR-006 ZeroWater Replacement Filter Cartridge (4-Pack)

    $55.99 Retail Price:  $79.99
  • ZR-008 ZeroWater Replacement Filter Cartridge (8-Pack)

    ZR-008 ZeroWater Replacement Filter Cartridge (8-Pack)

    $89.99 Retail Price:  $99.99
  • ZR-017 ZeroWater Replacement Filter Cartridge (2-Pack)

    ZR-017 ZeroWater Replacement Filter Cartridge (2-Pack)

    $29.99 Retail Price:  $31.99
  • Katadyn 8018342 MyBottle Microfilter Red Splash

    Katadyn 8018342 MyBottle Microfilter Red Splash

    $40.99 Retail Price:  $59.79
  • 67002 Aquamira Watter Bottle and Filter System
  • 67005 Aquamira Frontier Emergency Water Filter System

    67005 Aquamira Frontier Emergency Water Filter System

    $11.99 Retail Price:  $13.74
  • 67006 Aquamira Frontier Pro Portable Emergency Filter System
  • 67106 Aquamira Frontier Pro Portable Filter System (Military)
  • ATLANTIS-BLUE-PITCHER Brita 48-Ounce Water Pitcher

    Brita Atlantis Blue Water Filter Pitcher (48 Ounce)

    $26.99 Retail Price:  $33.34
  • 42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    $30.99 Retail Price:  $44.84
  • BOTTLE-BL-GR-FILTER-INSIDE-2PK Brita 20-Ounce Water Purifier Bottle - Blue / Green (2-Pack)
  • BOTTLE-BLUE-FILTER-INSIDE Brita 20-Ounce Water Purifier Bottle - Blue
  • Brita Water Purifier Bottle Replacement Filter (2-Pack)
  • 42632 Brita Chrome SMART OB39 64-Ounce Water Pitcher
  • 35507 Brita Classic OB01 48-Ounce Water Pitcher

    Brita Classic Water Filter Pitcher (48 Ounce, #OB01)

    Regular Price: $27.99

    Special Price: $22.05

  • 42378 Brita Deluxe OB26 80-Ounce Water Pitcher
  • EVERYDAY-PITCHER Brita 80-Ounce Water Pitcher

    EVERYDAY-PITCHER Brita 80-Ounce Water Pitcher

    $33.99 Retail Price:  $41.39
  • 42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    $47.99 Retail Price:  $49.44
  • MARINA-PITCHER Brita 64-Ounce Water Pitcher

    MARINA-PITCHER Brita 64-Ounce Water Pitcher

    $47.99 Retail Price:  $49.44
  • 35501 Brita OB03 Pitcher Replacement Cartridge

    35501 Brita OB03 Pitcher Replacement Cartridge

    $9.99 Retail Price:  $13.79
  • 35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    $23.99 Retail Price:  $29.89
  • 42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    $29.99 Retail Price:  $37.94
  • 35516 Brita OB03 Pitcher Replacement Cartridge (5-Pack)

    35516 Brita OB03 Pitcher Replacement Cartridge (5-Pack)

    $36.99 Retail Price:  $44.84
  • 71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    $43.99 Retail Price:  $52.89
  • 42557 Brita Riviera SMART OB35 64-Ounce Water Pitcher
  • 42629 Brita Slim OB11 40-Ounce Water Pitcher

    42629 Brita Slim OB11 40-Ounce Water Pitcher

    $20.99 Retail Price:  $26.44
  • 35250 Brita Space Saver Calendar-Minder OB21 48-Ounce Water Pitcher
  • 35530 Brita UltraMax SMART OB24 144-Ounce Water Dispenser
  • VINTAGE-PITCHER Brita 80-Ounce Water Pitcher

    Brita Vintage Water Filter Pitcher (80 Ounce)

    $38.99 Retail Price:  $52.89
  • 461732 Claris Water Filter Cartridge for Bosch / Siemens Coffee Machines
  • CRF-950Z PUR Pitcher Replacement Cartridge

    CRF-950Z PUR Replacement Water Filter Pitcher

    $11.99 Retail Price:  $16.09
  • CRF-950Z-3 PUR Pitcher Replacement Cartridge (3-Pack)

    CRF-950Z-3 PUR Pitcher Replacement Cartridge (3-Pack)

    $25.99 Retail Price:  $36.79
  • PIT-1 Culligan Level 2 Water Pitcher

    PIT-1 Culligan Level 2 Water Pitcher

    Regular Price: $17.69

    Special Price: $14.05

Items 1 to 48 of 107 total

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