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!

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  • 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!

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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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  • K27PPS Klean Kanteen 27-Ounce Stainless Steel Water Bottle with Sport-Top
  • 1-701-F2P-2L Seychelle Fill 2 Pure 2L Water Pouch, Advanced
  • K27WSSL Klean Kanteen 27-Ounce Stainless Steel Wide Mouth Bottle with Loop-cap
  • 1-10203-28-HI-FC-Sey Seychelle 28oz Flip Top Filter Bottle, Standard - 1
  • 1-10203-HI-Seychelle Seychelle 24oz Flip Top Filter Bottle, Standard - 1
  • 1-10203-PI-Seychelle Seychelle 24oz Pull Top Filter Bottle, Standard
  • K40PPS Klean Kanteen 40-Ounce Stainless Steel Water Bottle with Sport-Top
  • 1-05307-O-Nodeco Seychelle 38oz Portable Canteen, Advanced - 1
  • 1-10303-28-HI-FC-Sey Seychelle 28oz Flip Top Filter Bottle, Advanced
  • K40WSSL Klean Kanteen 40-Ounce Stainless Steel Wide Mouth Bottle with Loop-cap
  • 1-10303-PI-Seychelle Seychelle 24oz Pull Top Filter Bottle, Advanced
  • K16VWSSL Klean Kanteen 16-Ounce Stainless Steel Wide Insulated Bottle with Loop-cap
  • 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
  • HBSF-Blu Hydros Side-Fill Water Purifier Bottle - Blue Lid
  • HBSF-Char Hydros Side-Fill Water Purifier Bottle - Charcoal Lid
  • 67015 Aquamira Filtered Water Bottle - 1

    Aquamira Filtered Water Bottle (#67015)

    $28.89
    MSRP: $39.99
    Save 28%
  • K27SSLRF-BS Klean Kanteen Reflect 27-Ounce Stainless Steel Water Bottle with Bamboo cap - Brushed Finish
  • K20VWSSL Klean Kanteen 20-Ounce Stainless Steel Wide Insulated Bottle with Loop-cap
  • ZeroWater Filtered Tumbler & Replacement Filters (26 ounce, #ZT-M01)
  • W9240002 Doulton Specialty Replacement Filter Cartridge
  • MBS Sprite Mediterranean Blue Dechlorinating Bath Salts

    MBS Sprite Mediterranean Blue Dechlorinating Bath Salts

    $20.05
    MSRP: $29.89
    Save 33%
  • MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White
  • E5620 Omnipure E-Series Everpure Compatible Filter

    E5620 Omnipure E-Series Everpure Compatible Filter

    $20.09
    MSRP: $41.99
    Save 52%
  • FAF-ADP SteriPEN FitsAll Water Bottle Filter

    FAF-ADP SteriPEN FitsAll Water Bottle Filter

    $20.19
    MSRP: $28.99
    Save 30%
  • A1C Sprite All-In-One Shower Filter Cartridge Replacement

    A1C Sprite All-In-One Shower Filter Cartridge Replacement

    $20.29
    MSRP: $27.99
    Save 28%
  • MATRIKX-Pb1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • 3M Aqua-Pure AP110-2 Whole House Water Filter Cartridge
  • 42629 Brita Slim OB11 40-Ounce Water Pitcher

    42629 Brita Slim OB11 40-Ounce Water Pitcher

    $20.99
    MSRP: $26.44
    Save 21%
  • IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System

    IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System

    $20.99
    MSRP: $27.13
    Save 23%
  • RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    RV-700 Culligan Level 1 Inline RV Pre-Tank Exterior Filter

    $20.99
    MSRP: $35.64
    Save 41%
  • 4US-MAXS-F01 Filtrete Replacement Filter Cartridge
  • GXRTDR GE SmartWater Inline Filter Cartridge

    GXRTDR GE SmartWater Inline Filter Cartridge

    $20.99
    MSRP: $30.99
    Save 32%
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    $20.99
    MSRP: $24.60
    Save 15%
  • K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    $20.99
    MSRP: $29.99
    Save 30%
  • K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    $20.99
    MSRP: $26.44
    Save 21%
  • K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    $20.99
    MSRP: $23.34
    Save 10%
  • SPC-45-1001 Hydronix Pleated Sediment Water Filter

    SPC-45-1001 Hydronix Pleated Sediment Water Filter

    $20.99
    MSRP: $27.99
    Save 25%
  • WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    $20.99
    MSRP: $22.99
    Save 9%
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • FS-1-200STSS Rusco Sediment Trapper Steel Replacement Filter
  • 30025 New Wave Enviro Barrier Eco Pitcher System
  • Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    $21.09
    MSRP: $27.99
    Save 25%
  • Q5754-C100E Omnipure Water Softening Filter

    Q5754-C100E Omnipure Water Softening Filter

    $21.09
    MSRP: $31.99
    Save 34%

Items 1 to 48 of 381 total

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