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When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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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  • CL10ROT33-B Omnipure Inline Filter

    CL10ROT33-B Omnipure Inline Filter

    $10.99 Retail Price:  $13.79
  • CL10ROT33-C Omnipure Inline Filter

    CL10ROT33-C Omnipure Inline Filter

    $9.99 Retail Price:  $13.79
  • CL6ROT33-B Omnipure Inline Filter

    CL6ROT33-B Omnipure Inline Filter

    $9.99 Retail Price:  $11.49
  • CL6ROT33-C Omnipure Inline Filter

    CL6ROT33-C Omnipure Inline Filter

    $7.99 Retail Price:  $11.49
  • W9222910 Doulton Replacement Ceramic Filter

    W9222910 Doulton Supercarb Replacement Ceramic Filter

    $45.99 Retail Price:  $52.73
  • W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $147.99 Retail Price:  $174.79
  • CL10ROT33-A Omnipure GAC Inline Water Filter

    CL10ROT33-A Omnipure GAC Inline Water Filter

    $10.99 Retail Price:  $14.94
  • 3M Aqua-Pure AP510 Water Filter System

    AP510 3M Aqua-Pure Water Filtration System

    $141.99 Retail Price:  $146.04
  • K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    Regular Price: $11.99

    Special Price: $11.05

  • E5615-P Omnipure E-Series Water Filter

    E5615-P Omnipure E-Series Water Filter

    $29.99 Retail Price:  $42.54
  • Q5328 Omnipure Water Filter

    Q5328 Omnipure Water Filter

    $10.99 Retail Price:  $14.94

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