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

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  • Our products are price match guaranteed!
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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 49 total

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  • Pentek WP5BB97P Replacement Water Filter Cartridge
  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    $22.99 MSRP: $26.34
    Save 13%
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CQE-RC-04034 Crystal Quest Comparable Whole House Sediment Water Filter by Tier1
  • HB-20-5W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2005 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    $22.99 MSRP: $26.34
    Save 13%
  • DGD-5005-20 Pentek Whole House Water Filter

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    $23.99 MSRP: $25.76
    Save 7%
  • TO6-SS2-S06 OmniFilter Whole House Water Filter
  • ECP5-20BB Pentek Whole House Filter Cartridge
  • WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge
  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)
  • CMB-520-HF Advanced Water Products 20-inch x 4.5-inch Replacement Sediment Filter
  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99
    MSRP: $39.00
    Save 28%
  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    $27.99 MSRP: $32.32
    Save 13%
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP5BB20P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $25.39
    MSRP: $32.99
    Save 23%
  • Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    $26.99
    MSRP: $36.79
    Save 27%
  • 3M Aqua-Pure AP110-2 Whole House Water Filter Cartridge
  • 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%
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WPX5BB97P Pentek Whole House Filter Replacement Cartridge
  • HB-10-5W Harmsco Calypso Blue Replacement Filter Cartridge
  • CQE-RC-04033 Crystal Quest Reusable Pleated Water Filter

    CQE-RC-04033 Crystal Quest Reusable Pleated Water Filter

    $22.99
    MSRP: $33.34
    Save 31%
  • K2553-JJ Omnipure Nitrate Water Filter

    K2553-JJ Omnipure Nitrate Water Filter

    $22.99
    MSRP: $28.74
    Save 20%
  • CQE-RC-04000 Crystal Quest Carbon Block Water Filter Cartridge
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $23.99
    MSRP: $27.34
    Save 12%
  • P1020266 Culligan Carbon Block Water Filter
  • DEV9108-17 Everpure CostGuard CG5-10S Undersink Filter Replacement Cartridge
  • QC10-EPR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99
    MSRP: $34.49
    Save 25%
  • ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $26.49
    MSRP: $34.99
    Save 24%
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge
  • 47-55706G2 Water Factory Systems Whole House Replacement Filter Cartridge
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    $27.19
    MSRP: $37.99
    Save 28%
  • 3US-AF01 Filtrete Undersink Filter Replacement Cartridge

    3US-AF01 Filtrete Undersink Filter Replacement Cartridge

    $27.99
    MSRP: $28.99
    Save 3%
  • 3038333 Merlin Reverse Osmosis Carbon Pre Filter

    3038333 Merlin Reverse Osmosis Carbon Pre Filter

    $28.49
    MSRP: $35.99
    Save 21%
  • 931-5 Harmsco Polyester Sediment Filter Cartridge

    931-5 Harmsco Polyester Sediment Filter Cartridge

    $28.49
    MSRP: $38.99
    Save 27%
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge

    3M Aqua-Pure AP117 Whole House Filter Replacement Cartridge

    $28.99
    MSRP: $54.13
    Save 46%
  • CQE-RC-04015 Crystal Quest Reusable Pleated Water Filter

    CQE-RC-04015 Crystal Quest Reusable Pleated Water Filter

    $28.99
    MSRP: $35.99
    Save 19%
  • 3M Aqua-Pure AP110-3 Whole House Water Filter

    AP110-3 3M Aqua-Pure Replacement Water Filter Cartridge

    $29.99
    MSRP: $34.49
    Save 13%

Items 1 to 48 of 49 total

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