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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.

23 Item(s)

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  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1
  • AP-GRMB-10PP-20UB Whole House Replacement Cartridge by 3M Aqua-Pure
  • EPM-20 Pentek Whole House Water Filter

    EPM-20 Pentek Whole House Filter Replacement Cartridge

    As Low As $12.00 Per Filter

  • Pentek NCP-20 Whole House Water Filter Replacement Cartridge

    NCP-20 Pentek Whole House Filter Replacement Cartridge

    As Low As $13.00 Per Filter

  • EPM-BB Pentek Comparable Carbon Whole House Water Filter
  • SDC-45-1010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Hydronix SDC-25-4010 Polypropylene Sediment Filter

    $12.99 Retail Price:  $14.34
  • Pentek PD-10-30 Polypropylene Sediment Filter

    Pentek PD-10-30 Polypropylene Sediment Filter

    $19.99 Retail Price:  $22.34
  • CW-F-D Culligan Level 3 Whole House Filter Replacement Cartridge (2-Pack)
  • CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    $14.99 Retail Price:  $17.34
  • SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WP10BB97P Pentek Whole House Filter Replacement Cartridge
  • PX10-40 Purtrex Replacement Filter Cartridge

    PX10-40 Purtrex Replacement Water Filter

    $12.99 Retail Price:  $14.94
  • 41400009 Hydrotech Reverse Osmosis Filter

    41400009 Hydrotech Reverse Osmosis Filter

    $14.99 Retail Price:  $18.39
  • GX10-30 Hytrex Replacement Filter Cartridge

    GX10-30 Hytrex Water Filter Cartridge

    $11.99 Retail Price:  $16.09
  • 1266690 Merlin Merlin Reverse Osmosis Sediment Filter

    1266690 Merlin Merlin Reverse Osmosis Sediment Filter

    $16.99 Retail Price:  $19.34
  • Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    $19.99 Retail Price:  $24.14
  • SCL10-B Omnipure Scale Inline Filter

    SCL10-B Omnipure Scale Inline Filter

    $12.99 Retail Price:  $17.24
  • SPC-45-1010 Hydronix Pleated Sediment Water Filter

    SPC-45-1010 Hydronix Pleated Sediment Water Filter

    $10.99 Retail Price:  $18.39
  • WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    $18.99 Retail Price:  $22.99
  • SWC-25-1010 Hydronix String Wound Sediment Water Filter

    SWC-25-1010 Hydronix String Wound Sediment Water Filter

    $10.99 Retail Price:  $14.34

23 Item(s)

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