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.

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Items 1 to 48 of 1441 total

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  • 67015 Aquamira Filtered Water Bottle - 1

    Aquamira Filtered Water Bottle (#67015)

    $29.89
    MSRP: $39.99
    Save 25%
  • 20Z-NBL Built NY Bottle Tote - Blue
  • HBSF-Blu Hydros Side-Fill Water Purifier Bottle - Blue Lid
  • HBSF-Char Hydros Side-Fill Water Purifier Bottle - Charcoal Lid
  • 1-04101-OT-B-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - Blue - 1
  • 1-04101-OT-K-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - Black - 1
  • 1-04101-OT-P-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - Pink - 1
  • 1-04101-OT-R-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - Red - 1
  • 1-04101-OT-S-F2P Seychelle 27oz Stainless Steel Flip Top Bottle - 1
  • 1-10203-PI-Seychelle Seychelle 24oz Pull Top Filter Bottle, Standard
  • 1-10303-28-HI-FC-Sey Seychelle 28oz Flip Top Filter Bottle, Advanced
  • 1-10303-PI-Seychelle Seychelle 24oz Pull Top Filter Bottle, Advanced
  • K27PPS Klean Kanteen 27-Ounce Stainless Steel Water Bottle with Sport-Top
  • K40PPS Klean Kanteen 40-Ounce Stainless Steel Water Bottle with Sport-Top
  • K16VWSSL Klean Kanteen 16-Ounce Stainless Steel Wide Insulated Bottle with Loop-cap
  • K20VWSSL Klean Kanteen 20-Ounce Stainless Steel Wide Insulated Bottle with Loop-cap
  • K27WSSL Klean Kanteen 27-Ounce Stainless Steel Wide Mouth Bottle with Loop-cap
  • K40WSSL Klean Kanteen 40-Ounce Stainless Steel Wide Mouth Bottle with Loop-cap
  • K64WSSL Klean Kanteen 64-Ounce Stainless Steel Wide Mouth Bottle with Loop-cap
  • LSB4 Lifesaver 4000UF Water Bottle
  • LSB6 Lifesaver 6000UF Water Bottle
  • LSJC10 Lifesaver 10000UF Jerrycan
  • LSJC20 Lifesaver 20000UF Jerrycan
  • ZeroWater Filtered Tumbler & Replacement Filters (26 ounce, #ZT-M01)
  • Body Glove Water Filter Bottle (20 oz. # WI-BG-Bottle-20)

    Body Glove Water Filter Bottle (20 oz. # WI-BG-Bottle-20)

    $36.99
    MSRP: $49.95
    Save 26%
  • Katadyn 8018342 MyBottle Microfilter Red Splash

    Katadyn 8018342 MyBottle Microfilter Red Splash

    $40.99
    MSRP: $59.79
    Save 31%
  • AP327 3M Aqua-Pure Water Filter Replacement Cartridge

    AP327 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $37.39
    MSRP: $50.99
    Save 27%
  • 4373529 Whirlpool Undersink Filter Replacement Cartridge

    4373529 Whirlpool Undersink Filter Replacement Cartridge

    $43.99
    MSRP: $50.59
    Save 13%
  • 4373574 Whirlpool Undersink Filter Kit
  • 4373575 Whirlpool Undersink Filter Kit

    4373575 Whirlpool Undersink Filter Kit

    $61.49
    MSRP: $97.99
    Save 37%
  • 265062 American Hydro Systems Inline Filter for Siphoning Feeder Systems

    265062 American Hydro Systems Siphoning Feeder Filter

    $34.21
    MSRP: $41.64
    Save 18%
  • 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    $31.99
    MSRP: $35.06
    Save 9%
  • DW-2000-RB American Plumber Replacement Filter Cartridge

    DW-2000-RB American Plumber Replacement Filter Cartridge

    $59.99
    MSRP: $61.28
    Save 2%
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • W10-PR American Plumber Whole House Filter System

    W10-PR American Plumber Whole House Filter System

    $59.99
    MSRP: $67.84
    Save 12%
  • W20CLHD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge

Items 1 to 48 of 1441 total

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