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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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  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • AP-GRMB-10PP-20UB Whole House Replacement Cartridge by 3M Aqua-Pure
  • AP-GRMB-10PP-10UB Whole House Water Filter Replacement Cartridge
  • Pentair HEPP10-40DB Pureflex High Efficiency

    Pentair HEPP10-40DB Pureflex High Efficiency

    $93.99 Retail Price:  $113.99
  • Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    Pentair HEPP10-30DB Pureflex High Efficiency Cartridge

    $107.99 Retail Price:  $130.99
  • Pentair NEPP12-40DB Pureflex Pleated Polypropylene Cartridge
  • SDC-45-1010 Hydronix Whole House Sediment Filter Cartridge (6-Pack)
  • SDC-45-2010 Hydronix Water Filter Cartridge 6-Pack
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    As Low As $19.16 Per Filter

  • RS14-SS OmniFilter Whole House Water Filter
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1
  • SDC-45-1010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-25-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-25-3010 Polypropylene Sediment Filter

    Hydronix SDC-25-3010 Polypropylene Sediment Filter

    $8.99 Retail Price:  $13.79
  • Hydronix SDC-25-4010 Polypropylene Sediment Filter

    Hydronix SDC-25-4010 Polypropylene Sediment Filter

    $12.99 Retail Price:  $14.34
  • Pentek KE10G2S Polyester Filter Bag

    Pentek KE10G2S Polyester Filter Bag

    $5.99 Retail Price:  $7.12
  • Pentek KO10G2S Polyester Filter Bag

    Pentek KO10G2S Polyester Filter Bag

    $6.99 Retail Price:  $8.04
  • 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)
  • SDC-25-2010 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WP10BB97P Pentek Whole House Filter Replacement Cartridge
  • PX10-20 Purtrex Replacement Filter Cartridge

    PX10-20 Purtrex Replacement Water Filter

    $6.99 Retail Price:  $9.19
  • PX10-40 Purtrex Replacement Filter Cartridge

    PX10-40 Purtrex Replacement Water Filter

    $12.99 Retail Price:  $14.94
  • PX10-9-78 Purtrex Replacement Filter Cartridge

    PX10-9-78 Purtrex Replacement Water Filter

    $4.05 Retail Price:  $8.04
  • RS14-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)
  • GX10-20 Hytrex Replacement Filter Cartridge

    GX10-20 Hytrex Water Filter Cartridge

    $7.99 Retail Price:  $11.49
  • GX10-30 Hytrex Replacement Filter Cartridge

    GX10-30 Hytrex Water Filter Cartridge

    $11.99 Retail Price:  $16.09
  • GX10-9-78 Hytrex Replacement Filter Cartridge

    GX10-9-78 Hytrex Replacement Water Filter Cartridge

    $6.99 Retail Price:  $8.61
  • BP-420-10 Pentek Polypropylene Bag Filter

    BP-420-10 Pentek Polypropylene Bag Filter

    $4.99 Retail Price:  $8.15
  • CW-F Pentek String Wound Sediment Water Filter (9-7/8 in x 2-1/4 in)
  • SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    SDC-25-1010 Hydronix Sediment Water Filter Cartridge

    $4.99 Retail Price:  $6.89
  • WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    $18.99 Retail Price:  $22.99
  • SDC-25-0510 Hydronix Sediment Water Filter Cartridge

    SDC-25-0510 Hydronix Sediment Water Filter Cartridge

    $4.99 Retail Price:  $8.34
  • SWC-25-1010 Hydronix String Wound Sediment Water Filter

    SWC-25-1010 Hydronix String Wound Sediment Water Filter

    $10.99 Retail Price:  $14.34
  • P10-5 Tier1 Polypropylene Sediment Filter

    P10-5 Tier1 Polypropylene Sediment Filter

    Regular Price: $3.99

    Special Price: $2.55

38 Item(s)

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