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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.

Items 1 to 48 of 96 total

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  • 22155 Triton Water Replacement Membrane by Hydrologic

    22155 Triton Water Replacement Membrane by Hydrologic

    $60.99 Retail Price:  $79.99
  • DUPONT-WFQTC90001
  • Brondell RF-20 H2O+ Circle Replacement Filter Set
  • WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System
  • FRSS-6 Sterilight 6 GPM 1-inch Flow Restrictor
  • FRSS-6-34 Sterilight 6 GPM 3/4-inch Flow Restrictor
  • Sterilight 8 GPM 1-inch Flow Restrictor
  • FRSS-10 Sterilight 10 GPM 3/4-inch Flow Restrictor
  • FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    FRSS-20 Viqua 20 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    FRSS-6 Viqua 6 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    FRSS-6-34 Viqua 6 GPM 3/4-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    FRSS-8 Viqua 8 GPM 1-inch Flow Restrictor

    $62.99 Retail Price:  $110.00
  • Pentair NEPP2-20DB Pureflex Pleated Polypropylene Cartridge
  • 602976 Viqua Quartz Sleeve for 602856 UV Lamp

    602976 Viqua Quartz Sleeve for 602856 UV Lamp

    $63.99 Retail Price:  $86.00
  • SPC-45-1020 Hydronix 10 x 4.5 inch Pleated Sediment Water Filter 6pk
  • FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    $64.99 Retail Price:  $110.00
  • FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    $64.99 Retail Price:  $110.00
  • SPC-45-1010 Hydronix Pleated Sediment Water Filter (6-Pack)
  • SPC-45-1030 Hydronix Pleated Sediment Water Filter (6-Pack)
  • F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • FRSS-2.5 Sterilight 2.5 GPM 1/2-inch Flow Restrictor
  • FRSS-3.5 Sterilight 3.5 GPM 1/2-inch Flow Restrictor
  • FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    $69.99 Retail Price:  $90.00
  • FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    FRSS-3.5 Viqua 3.5 GPM 1/2-inch Flow Restrictor

    $69.99 Retail Price:  $90.00
  • S330RL Viqua Water Disinfection System UV Lamp

    S330RL Viqua Water Disinfection System UV Lamp

    $69.99 Retail Price:  $89.00
  • SDC-45-1050 Hydronix Pleated Sediment Water Filter (6-Pack)
  • 36002018 PURA UV Lamp

    36002018 PURA UV Lamp

    $64.99 Retail Price:  $70.14
  • CQE-RC-04003 Crystal Quest Multi Stage ULTRA Water Filter Cartridge
  • 1-100-F Rusco Spin-Down Water Filter System

    1-100-F Rusco Spin-Down Water Filter System

    $60.69 Retail Price:  $74.74
  • SWC1350-C Cuno Whole House Filter Replacement Cartridge

    SWC1350-C Cuno Whole House Water Filter Cartridge

    $60.99 Retail Price:  $81.64
  • FXSVC GE SmartWater Undersink Filter Set

    FXSVC GE SmartWater Undersink Filter Set

    $60.99 Retail Price:  $72.34
  • CRFC-BB Pentek Chloramine Reduction Water Filter

    CRFC-BB Pentek Chloramine Reduction Water Filter

    $61.79 Retail Price:  $73.36
  • FLOPLUS-20BB Pentek Replacement Filter Cartridge

    FLOPLUS-20BB Pentek Replacement Filter Cartridge

    $61.99 Retail Price:  $80.49
  • HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter Housing
  • CQE-SP-00809 Crystal Quest Bath Ball Filter

    CQE-SP-00809 Crystal Quest Bath Ball Filter

    $61.99 Retail Price:  $73.59
  • CFS517 Cuno Whole House Filter Replacement Cartridge

    CFS517 Cuno Whole House Filter Replacement Cartridge

    Regular Price: $76.99

    Special Price: $62.05

  • 3/4-500-F Rusco Polyester Screened Spin-Down Water Filtration System
  • 1-40400-W Seychelle Radiological Water Pitcher Filter Replacement

    1-40400-W Seychelle Radiological Water Pitcher Filter

    $62.95 Retail Price:  $74.69
  • 7CB5 Everpure Replacement Filter Cartridge

    7CB5 Everpure Replacement Filter Cartridge

    $62.99 Retail Price:  $75.89
  • SFH5-CM Sprite ShowerFalls Filtered Shower Extension - Chrome - 1
  • FRSS-12 Sterilight 12 GPM 1-inch Flow Restrictor
  • FRSS-20 Sterilight 20 GPM 1-inch Flow Restrictor
  • CFS8112 Cuno Whole House Filter Replacement Cartridge

    CFS8112 Cuno Whole House Filter Replacement Cartridge

    $63.05 Retail Price:  $69.56
  • 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter
  • 41400004 Hydrotech TFC Reverse Osmosis Membrane

    41400004 Hydrotech TFC Reverse Osmosis Membrane

    $63.99 Retail Price:  $74.74
  • 158319 Pentek Slim Line High Temp Filter Housing - Black

    158319 Pentek Slim Line High Temp Filter Housing - Black

    $63.99 Retail Price:  $66.34

Items 1 to 48 of 96 total

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