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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.

38 Item(s)

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  • DGD-5005-20 Pentek Whole House Water Filter
  • TO6-SS2-S06 OmniFilter Whole House Water Filter
  • Hydronix SDC-25-1005 6-Pack Whole House Replacement Sediment Filter Cartridge
  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    As Low As $15.60 Per Filter

  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • ECP5-20BB Pentek Whole House Filter Cartridge
  • WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge
  • 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 Retail Price:  $39.00
  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    As Low As $22.00 Per Filter

  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)
  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $23.99 Retail Price:  $25.29
  • Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    $26.99 Retail Price:  $36.79
  • 3M Aqua-Pure AP110-2 Whole House Water Filter Cartridge
  • IC-EZ-1 Culligan Level 1 Easy-Change Inline Filter System
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • 3US-AF01 Filtrete Undersink Filter Replacement Cartridge

    3US-AF01 Filtrete Undersink Filter Replacement Cartridge

    $21.99 Retail Price:  $23.99
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • CQE-RC-04015 Crystal Quest Reusable Pleated Water Filter

    CQE-RC-04015 Crystal Quest Reusable Pleated Water Filter

    $21.99 Retail Price:  $32.19
  • 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 Retail Price:  $33.34
  • K2553-JJ Omnipure Nitrate Water Filter

    K2553-JJ Omnipure Nitrate Water Filter

    $22.99 Retail Price:  $28.74
  • ICF-2512 Hydronix Inline Coconut Carbon Filter

    ICF-2512 Hydronix Inline Coconut Carbon Filter

    $23.99 Retail Price:  $26.34
  • QC10-EPR Pentek Undersink Quick-Change Replacement Filter Cartridge
  • CQE-RC-04000 Crystal Quest Carbon Block Water Filter Cartridge
  • P1020266 Culligan Carbon Block Water Filter
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

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

    $24.69 Retail Price:  $30.69
  • SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    $24.99 Retail Price:  $26.44
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99 Retail Price:  $34.49
  • 47-55704G2 Water Factory Systems Replacement Filter Cartridge
  • 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
  • 3038333 Merlin Reverse Osmosis Carbon Pre Filter

    3038333 Merlin Reverse Osmosis Carbon Pre Filter

    $26.99 Retail Price:  $28.74
  • 931-5 Harmsco Polyester Sediment Filter Cartridge

    931-5 Harmsco Polyester Sediment Filter Cartridge

    $26.99 Retail Price:  $34.49
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge
  • DEV9108-17 Everpure CostGuard CG5-10S Undersink Filter Replacement Cartridge
  • 3M Aqua-Pure AP110-3 Whole House Water Filter

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

    $29.99 Retail Price:  $34.49

38 Item(s)

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