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  • 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.

Items 1 to 48 of 115 total

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  • 3M Aqua-Pure AP917R Water Filter Cartridge
  • CFS01S Cuno Whole House Filter Housing

    CFS01S Cuno Whole House Water Filter Housing

    $134.99 Retail Price:  $152.94
  • CFS02S Cuno Whole House Filter Housing

    CFS02S Cuno Whole House Water Filter Housing

    $184.49 Retail Price:  $214.46
  • CFS110 Cuno Whole House Filter Replacement Cartridge

    CFS110 Cuno Whole House Filter Replacement Cartridge

    $15.99 Retail Price:  $16.09
  • CFS117-S Cuno Whole House Filter Replacement Cartridge

    CFS117-S Cuno Whole House Filter Replacement Cartridge

    $37.99 Retail Price:  $40.24
  • CFS11S Cuno Whole House Filter Housing

    CFS11S Cuno Whole House Filter Housing

    $95.99 Retail Price:  $101.19
  • CFS22 Cuno Whole House Filter Housing

    CFS22 Cuno Whole House Filter Housing

    $128.99 Retail Price:  $148.34
  • CFS517 Cuno Whole House Filter Replacement Cartridge

    CFS517 Cuno Whole House Filter Replacement Cartridge

    Regular Price: $78.99

    Special Price: $62.05

  • CFS8110 Cuno Whole House Filter Replacement Cartridge

    CFS8110 Cuno Whole House Filter Replacement Cartridge

    $56.99 Retail Price:  $61.97
  • CFS9812X-S Cuno Whole House Filter Replacement Cartridge

    CFS9812X-S Cuno Whole House Filter Replacement Cartridge

    $65.99 Retail Price:  $78.19
  • CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    $57.99 Retail Price:  $60.94
  • CS-51 Cuno Inline Filter

    CS-51 Cuno Inline Filter

    $39.99 Retail Price:  $42.34
  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $35.99 Retail Price:  $43.69
  • HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS Cuno Whole House Filter Replacement Cartridge

    Regular Price: $65.99

    Special Price: $50.05

  • HF20 Cuno Whole House Filter Replacement Cartridge

    HF20 Cuno Whole House Filter Replacement Cartridge

    Regular Price: $64.99

    Special Price: $50.05

Items 1 to 48 of 115 total

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