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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.

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  • SB-3 Squeezable Filtered Sport Bottle (27 oz.)

    SB-3 WaterWay Squeezable Filtered Sport Bottle (27 oz.)

    Regular Price: $10.99

    Special Price: $9.05

  • SB-2R Water Bottle Replacement Filters (2-Pack)

    SB-2R Water Bottle Replacement Filters (2-Pack)

    Regular Price: $7.99

    Special Price: $7.05

  • CL6ROT33-A Omnipure GAC Inline Water Filter
  • P5-20BB Tier1 Whole House Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    $17.99 Retail Price:  $27.59
  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    $13.99 Retail Price:  $16.09
  • PS1-20C Pentek Sediment Water Filter

    PS1-20C Pentek Sediment Water Filter

    $8.99 Retail Price:  $13.55
  • SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • P5-5 Tier1 Sediment Water Filter

    P5-5 Tier1 Sediment Water Filter

    $4.99 Retail Price:  $7.99
  • RO5 Tier1 5-Stage Reverse Osmosis System

    RO5 Tier1 5-Stage Reverse Osmosis System

    $195.99 Retail Price:  $249.99
  • 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    $172.99 Retail Price:  $223.99
  • AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    $136.99 Retail Price:  $171.99

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