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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 193 to 240 of 1791 total

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  • Pentair NEPP2-40DB Pureflex Pleated Polypropylene Cartridge
  • Pentair NEPP2-20DB Pureflex Pleated Polypropylene Cartridge
  • Garnet-812 Watts Water Treatment Media #8-12

    Garnet-812 Watts Water Treatment Media #8-12

    $31.99 Retail Price:  $40.99
  • Pentair GF20-40BPPPDB Industrial Triflex Microfiberglass Cartridge
  • Pentair GF20-30BPPPDB Industrial Triflex Microfiberglass Cartridge
  • AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    AWP117 Viqua Carbon Block Filter for S2Q-DWS UV System

    $10.99 Retail Price:  $15.99
  • CB6 Multipure Aquaversa Comparable Water Filter: HDG-CB6-14 HydroGuard

    CB6 Comparable Water Filter: HDG-CB6-14 HydroGuard

    $29.99 Retail Price:  $43.99
  • Hydronix HF45-10BLBK15 Filter Housing (Blue)

    Hydronix HF45-10BLBK15 Filter Housing (Blue)

    $59.99 Retail Price:  $75.99
  • Aries AF-10-2054 Coconut Granular Activated Carbon

    Aries AF-10-2054 Coconut Granular Activated Carbon

    $75.99 Retail Price:  $91.99
  • Aries AF-10-2115 KDF/Granular Activated Carbon

    Aries AF-10-2115 KDF/Granular Activated Carbon

    $39.99 Retail Price:  $49.00
  • Hydronix SDC-25-1005 6-Pack Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Sediment Filter Cartridge (6-Pack)
  • SPC-25-1020 Hydronix Pleated Sediment Water Filter (6-Pack)
  • SPC-45-1005 Hydronix Whole House Sediment Filter Cartridge 6pk
  • SPC-45-1010 Hydronix Pleated Sediment Water Filter (6-Pack)
  • CW-MF Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-2501 Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-5005 Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-7525 Pentek Whole House Replacement Sediment Filter (6-Pack)
  • ECP20-20 Pentek Replacement Filter Cartridge (6-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (6-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (6-Pack)
  • Drinkwell PAC00-13070 Pet Fountain Premium Charcoal Filter (3-Pack)
  • Drinkwell PAC00-13711 Pet Fountain Foam Filter (2-Pack)
  • Drinkwell PAC-13067 Pet Fountain Charcoal Filter (3-Pack)
  • PH-2011R Tier1 Pen Type pH Meter

    PH-2011R Tier1 Pen Type pH Meter

    $18.99 Retail Price:  $26.99
  • Doulton Filtadapt Counter Top Water Filter System – Pebble
  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • Desal TFM-18-C Reverse Osmosis Membrane

    Desal TFM-18-C Reverse Osmosis Membrane

    $30.99 Retail Price:  $38.99
  • P5-20 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    As Low As $19.16 Per Filter

  • SDC-45-2020 Hydronix Sediment Water Filter

    SDC-45-2020 Hydronix Sediment Water Filter Cartridge

    As Low As $18.83 Per Filter

  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    As Low As $6.00 Per Filter

  • Hydronix SPC-25-1005 Pleated Water Filter

    SPC-25-1005 Hydronix Pleated Sediment Water Filter

    As Low As $5.16 Per Filter

  • SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    As Low As $5.00 Per Filter

  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge

Items 193 to 240 of 1791 total

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