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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.

27 Item(s)

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  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99 Retail Price:  $13.79
  • P5-20 Tier1 Whole House Sediment Water Filter
  • PS1-20C Pentek Sediment Water Filter

    PS1-20C Pentek Sediment Water Filter

    $8.99 Retail Price:  $13.55
  • PX10-20 Purtrex Replacement Filter Cartridge

    PX10-20 Purtrex Replacement Water Filter

    $6.99 Retail Price:  $9.19
  • PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    $4.99 Retail Price:  $8.04
  • PX75-20 Purtrex Replacement Filter Cartridge

    PX75-20 Purtrex Replacement Water Filter Cartridge

    $4.99 Retail Price:  $8.04
  • GX03-20 Hytrex Replacement Filter Cartridge

    GX03-20 Hytrex Replacement Water Filter Cartridge

    Regular Price: $8.99

    Special Price: $8.05

  • GX05-20 Hytrex Replacement Filter Cartridge
  • GX10-20 Hytrex Replacement Filter Cartridge

    GX10-20 Hytrex Water Filter Cartridge

    $7.99 Retail Price:  $11.49
  • GX20-20 Hytrex Replacement Filter Cartridge

    GX20-20 Hytrex Water Filter Cartridge

    $7.99 Retail Price:  $11.49
  • GX50-20 Hytrex Replacement Filter Cartridge

    GX50-20 Hytrex Water Filter Cartridge

    $7.99 Retail Price:  $11.49
  • SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    SDC-25-2001 Hydronix Sediment Water Filter Cartridge

    $7.99 Retail Price:  $8.04
  • SPC-25-2010 Hydronix Pleated Sediment Water Filter

    SPC-25-2010 Hydronix Pleated Sediment Water Filter

    Regular Price: $10.99

    Special Price: $6.05

  • P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge
  • TIER1-P20-20 Whole House Sediment Water Filter

    P20-20 Tier1 Sediment Water Filter

    $7.99 Retail Price:  $9.19

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