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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.

48 Item(s)

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  • FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • RS6 OmniFilter Comparable Whole House Water Filter by Tier1
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack
  • BF7-S-06 OmniFilter Undersink Filter System

    BF7-S-06 OmniFilter Undersink Filter System

    $81.99 Retail Price:  $85.99
  • R30BB Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)
  • SPC-45-1030 Hydronix Pleated Sediment Water Filter (6-Pack)
  • CW-MF Pentek Whole House Filter Replacement Cartridge (30-Pack)
  • CW-MF Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • Hydronix SPC-45-1030 Sediment Water Filter - Pleated

    SPC-45-1030 Hydronix Pleated Sediment Water Filter

    As Low As $11.00 Per Filter

  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    As Low As $5.60 Per Filter

  • R30BB Pentek Comparable Whole House Water Filter by Tier1
  • RS6-SS2-S06 OmniFilter Whole House Cartridge
  • P20 Pentek 10 x 2.5-inch Comparable Whole House Sediment Water Filter
  • Hytrex GX30-20 Polypropylene Sediment Filter

    Hytrex GX30-20 Polypropylene Sediment Filter

    $10.99 Retail Price:  $13.34
  • W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W30PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)
  • PR-1U Culligan Universal Water Pitcher Replacement Cartridge
  • PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)
  • FXHSC GE SmartWater Whole House Filter Replacement Cartridge
  • FXUSC GE SmartWater Whole House Filter Replacement
  • FXSCH GE Shower Replacement Filter Cartridge

    FXSCH GE Shower Replacement Filter Cartridge

    $14.99 Retail Price:  $18.39
  • GXRTDR GE SmartWater Inline Filter Cartridge

    GXRTDR GE SmartWater Inline Filter Cartridge

    $18.99 Retail Price:  $20.69
  • R30-478 Pentek Undersink Filter Replacement Cartridge

    R30-478 Pentek Undersink Filter Replacement Cartridge

    $8.99 Retail Price:  $12.75
  • WP-30 Pentek Whole House Filter Replacement Cartridge

    WP-30 Pentek Whole House Filter Replacement Cartridge

    $6.99 Retail Price:  $8.15
  • PX30-20 Purtrex Replacement Filter Cartridge

    PX30-20 Purtrex Replacement Water Filter Cartridge

    $6.89 Retail Price:  $9.19
  • PX30-9-78 Purtrex Replacement Filter Cartridge

    PX30-9-78 Purtrex Replacement Water Filter Cartridge

    $3.99 Retail Price:  $6.89
  • WHKF-WHPL Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  • GX30-9-78 Hytrex Replacement Filter Cartridge

    GX30-9-78 Hytrex Water Filter Cartridge

    $5.99 Retail Price:  $8.61
  • BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    Regular Price: $69.99

    Special Price: $57.05

  • SF200-S2-S06 OmniFilter Shower Filter System

    SF200-S2-S06 OmniFilter Shower Filter System

    $26.99 Retail Price:  $33.34
  • 1-500ST-F Rusco Sediment Trapper System

    1-500ST-F Rusco Sediment Trapper System

    $79.99 Retail Price:  $94.29
  • FS-1-500 Rusco Spin-Down Replacement Water Filter

    FS-1-500 Rusco Spin-Down Replacement Water Filter

    $13.99 Retail Price:  $20.69
  • SPC-45-2030 Hydronix Pleated Sediment Water Filter

    SPC-45-2030 Hydronix Pleated Sediment Water Filter

    $20.99 Retail Price:  $31.04
  • SPC-25-1030 Hydronix Pleated Sediment Water Filter

    SPC-25-1030 Hydronix Pleated Sediment Water Filter

    $6.99 Retail Price:  $13.21
  • SWC-25-1030 Hydronix String Wound Sediment Water Filter
  • 3/4-500-F Rusco Polyester Screened Spin-Down Water Filtration System
  • 3/4-500ST-F Rusco Polyester Screen Sediment Trapper System
  • FS-1-500ST Rusco Replacement Polyester Sediment Trapper Filter
  • 1-500-F Rusco Polyester Screened Spin-Down Water Filtration System
  • SPC-25-2030 Hydronix Pleated Sediment Water Filter

    SPC-25-2030 Hydronix Pleated Sediment Water Filter

    $10.99 Retail Price:  $12.64
  • SWC-25-2030 Hydronix String Wound Sediment Water Filter (30 micron)
  • SF200R-S6-05 Omnifilter Replacement Shower Filter (close up)

    SF200R-S6-05 Omnifilter Replacement Shower Filter

    $14.99 Retail Price:  $19.54
  • DuPont WFPT075X Vista Filtered Water Pitcher

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