Discount Water Filters and Air Filters at Discount Filter Store.com

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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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Items 1 to 48 of 119 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
    MSRP: $34.49
    Save 19%
  • HBSF-Pnk Hydros Side-Fill Water Purifier Bottle - Pink Lid

    Pink Lid Hydros Side-Fill Water Purifier Bottle (#HBSF-Pnk)

    $27.99
    MSRP: $34.49
    Save 19%
  • 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.)

    $11.39
    MSRP: $28.99
    Save 61%
  • SB-2R Water Bottle Replacement Filters (2-Pack)

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

    $8.99
    MSRP: $13.99
    Save 36%
  • TROM-50 Reverse Osmosis Membrane by Tier1 (50 GPD)

    TROM-50 Reverse Osmosis Membrane by Tier1 (50 GPD)

    $30.99
    MSRP: $50.99
    Save 39%
  • WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter
  • WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • 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
    MSRP: $45.99
    Save 9%
  • 35735 Brita Pacifica Pitcher Filter System
  • Brita Intenza IZ-2219 Comparable Replacement Coffee Water Filter by Tier1
  • Brita Intenza IZ-2219 Comparable Replacement Coffee Water Filter by Tier1 (2-Pack)
  • Braun KWF2 Comparable Coffee Water Filter Replacement by Tier1
  • Filmtec TW30-1812-50 Comparable Reverse Osmosis Membrane by Tier1
  • Axeon 200359 Comparable Reverse Osmosis Membrane by Tier1

    Axeon 200359 Comparable Reverse Osmosis Membrane by Tier1

    $30.99 MSRP: $50.99
    Save 39%
  • Coralife 100105704 Comparable Reverse Osmosis Membrane by Tier1
  • AMI T1812A50 Comparable Reverse Osmosis Membrane by Tier1

    AMI T1812A50 Comparable Reverse Osmosis Membrane by Tier1

    $30.99 MSRP: $50.99
    Save 39%
  • Watts 560018 Comparable Reverse Osmosis Membrane by Tier1

    Watts 560018 Comparable Reverse Osmosis Membrane by Tier1

    $30.99 MSRP: $50.99
    Save 39%
  • Pentair TLC-50 Comparable Reverse Osmosis Membrane by Tier1

    Pentair TLC-50 Comparable Reverse Osmosis Membrane by Tier1

    $30.99 MSRP: $50.99
    Save 39%
  • TROM- 50 Comparable Reverse Osmosis Membrane by Tier1

    Desal TFM-50 Comparable Reverse Osmosis Membrane by Tier1

    $30.99 MSRP: $50.99
    Save 39%
  • ZR-001 ZeroWater Replacement Filter Cartridge

    ZR-001 ZeroWater Replacement Filter Cartridge

    $19.99
    MSRP: $20.69
    Save 3%
  • ZR-006 ZeroWater Replacement Filter Cartridge (4-Pack)

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

    $55.99
    MSRP: $79.99
    Save 30%
  • ZR-008 ZeroWater Replacement Filter Cartridge (8-Pack)

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

    $89.99
    MSRP: $99.99
    Save 10%
  • ZR-017 ZeroWater Replacement Filter Cartridge (2-Pack)

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

    $29.99
    MSRP: $31.99
    Save 6%
  • 67005 Aquamira Frontier Emergency Water Filter System

    67005 Aquamira Frontier Emergency Water Filter System

    $11.99
    MSRP: $13.74
    Save 13%
  • 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
    MSRP: $33.34
    Save 19%
  • 42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    42412 Brita Atlantis OB32 48-Ounce Water Pitcher

    $30.99
    MSRP: $44.84
    Save 31%
  • 42632 Brita Chrome SMART OB39 64-Ounce Water Pitcher
  • Brita Classic Water Filter Pitcher (48 Ounce, #OB01)

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

    $28.99
    MSRP: $50.99
    Save 43%
  • 42378 Brita Deluxe OB26 80-Ounce Water Pitcher
  • EVERYDAY-PITCHER Brita 80-Ounce Water Pitcher

    EVERYDAY-PITCHER Brita 80-Ounce Water Pitcher

    $35.19
    MSRP: $52.99
    Save 34%
  • 42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    42556 Brita Grand SMART OB36 80-Ounce Water Pitcher

    $47.99
    MSRP: $49.44
    Save 3%
  • MARINA-PITCHER Brita 64-Ounce Water Pitcher

    MARINA-PITCHER Brita 64-Ounce Water Pitcher

    $47.99
    MSRP: $49.44
    Save 3%
  • 35501 Brita OB03 Pitcher Replacement Cartridge

    35501 Brita OB03 Pitcher Replacement Cartridge

    $9.99
    MSRP: $13.79
    Save 28%
  • 35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    $23.99
    MSRP: $29.89
    Save 20%
  • 42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    $29.99
    MSRP: $37.94
    Save 21%
  • Updated Packaging and Filter

    35516 Brita OB03 Pitcher Replacement Cartridge (5-Pack)

    $36.99
    MSRP: $44.84
    Save 18%
  • 71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    $45.49
    MSRP: $68.99
    Save 34%

Items 1 to 48 of 119 total

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