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

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!
  • Our customer service team is guaranteed to answer your call!
  • 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.

Clear All
Compare

Items 145 to 192 of 383 total

Page:
  1. 2
  2. 3
  3. 4
  4. 5
  5. 6

Grid  List 

Set Descending Direction
  • WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    $55.99
    MSRP: $58.34
    Save 4%
  • 110194 Amway eSpring Replacement Filter Cartridge
  • 67001 Aquamira Water Bottle Replacement Filter Cartridge
  • 67003 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge - front

    67003 Aquamira Frontier Sport Water Bottle Filter

    $13.99
    MSRP: $17.19
    Save 19%
  • 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
  • 67011 / CR-100 Aquamira Water Bottle Replacement Filter Capsule - front

    67011 / CR-100 Aquamira Filtered Water Bottle Capsule

    $12.95
    MSRP: $17.19
    Save 25%
  • 67106 Aquamira Frontier Pro Portable Filter System (Military)
  • 67108 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge (Military) - front
  • 3M Aqua-Pure AP815 Whole House Water Filter
  • 3M Aqua-Pure AP815-2 Whole House Water Filter
  • 3M Aqua-Pure AP917R Water Filter Cartridge
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21
    MSRP: $386.95
    Save 25%
  • WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    $158.99
    MSRP: $192.95
    Save 18%
  • WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    $145.99
    MSRP: $174.95
    Save 17%
  • 40043 Camco TastePURE Inline Large Capacity Filter

    40043 Camco TastePURE Large Capacity Inline Water Filter

    $27.59
    MSRP: $35.99
    Save 23%
  • 40045 Camco TastePURE Inline Large Capacity Filter (2-Pack)
  • 40645 Camco Evo Replacement Filter Cartridge

    40645 Camco Evo Replacement Water Filter

    $15.99
    MSRP: $18.39
    Save 13%
  • 44191 Camco Odor Absorber (3-Pack)

    44191 Camco X-Odor Eliminator (3-Pack)

    $9.39
    MSRP: $15.99
    Save 41%
  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • 1000R-D Culligan Level 3 Undersink RV and Marine Icemaker and Drinking Water Filter
  • FM-15A Culligan Level 3 On-Tap Faucet Filter System

    Culligan FM-15A Level 3 Faucet Filter System

    $22.99
    MSRP: $28.51
    Save 19%
  • FM-15RA Culligan Level 3 Faucet Filter Replacement Cartridge
  • CFS9812X-S Cuno Whole House Filter Replacement Cartridge

    CFS9812X-S Cuno Whole House Filter Replacement Cartridge

    $65.05
    MSRP: $78.19
    Save 17%
  • CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    $61.29
    MSRP: $81.99
    Save 25%
  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $37.99
    MSRP: $54.99
    Save 31%
  • HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS Cuno Whole House Filter Replacement Cartridge

    $65.99
    MSRP: $68.30
    Save 3%
  • HF20 Cuno Whole House Filter Replacement Cartridge

    HF20 Cuno Whole House Filter Replacement Cartridge

    $64.99
    MSRP: $80.49
    Save 19%
  • HF20-MS Cuno Whole House Filter Replacement Cartridge

    HF20-MS Cuno Whole House Filter Replacement Cartridge

    $71.99
    MSRP: $73.36
    Save 2%
  • HF20-S Cuno Whole House Filter Replacement Cartridge

    HF20-S Cuno Whole House Filter Replacement Cartridge

    $68.99
    MSRP: $86.24
    Save 20%
  • HF25-S Cuno Whole House Filter Replacement Cartridge

    HF25-S Cuno Whole House Filter Replacement Cartridge

    $67.99
    MSRP: $69.56
    Save 2%
  • GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    $18.99
    MSRP: $27.99
    Save 32%
  • W9223026 Doulton Replacement Ceramic Filter
  • W9240001 Doulton Specialty Replacement Filter Cartridge
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • 4CB5 Everpure Replacement Filter Cartridge

    4CB5 Everpure Replacement Filter Cartridge

    $52.79
    MSRP: $83.99
    Save 37%
  • 7CB5 Everpure Replacement Filter Cartridge

    7CB5 Everpure Replacement Filter Cartridge

    $66.49
    MSRP: $115.99
    Save 43%
  • 7CB5-S Everpure Replacement Filter Cartridge

    7CB5-S Everpure Replacement Filter Cartridge

    $75.99
    MSRP: $86.24
    Save 12%
  • DEV9108-17 Everpure CostGuard CG5-10S Undersink Filter Replacement Cartridge
  • EFS8002 Everpure Replacement Filter Cartridge

    EFS8002 Everpure Replacement Filter Cartridge

    $48.99
    MSRP: $58.64
    Save 16%
  • EFS8002-S Everpure Replacement Filter Cartridge

    EFS8002-S Everpure Replacement Filter Cartridge

    $52.79
    MSRP: $83.99
    Save 37%
  • EV4339-12 Everpure Claris L Replacement Hot Water Filter Cartridge

    EV4339-12 Everpure Claris L Hot Water Filter Cartridge

    $195.99
    MSRP: $205.84
    Save 5%
  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99
    MSRP: $59.79
    Save 11%
  • EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    $69.99
    MSRP: $93.99
    Save 26%
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65
    MSRP: $65.54
    Save 29%
  • EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    $45.99
    MSRP: $81.65
    Save 44%
  • EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge
  • EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    $69.99
    MSRP: $87.99
    Save 20%

Items 145 to 192 of 383 total

Page:
  1. 2
  2. 3
  3. 4
  4. 5
  5. 6

Grid  List 

Set Descending Direction
Scroll To Top