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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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Learn more about our No Worries Guarantee

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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  • D-25 Culligan Under Sink Water Filter

    D-25 Culligan Under Sink Water Filter

    $11.99 Retail Price:  $16.99
  • F2-WHITE Instapure Essentials Faucet Filter System - White
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • R2-2PK Instapure Essentials Faucet Filter Replacement Cartridge (2-Pack)
  • 67003 Aquamira Frontier Sport Water Bottle Replacement Filter Cartridge - front

    67003 Aquamira Frontier Sport Water Bottle Filter

    Regular Price: $12.95

    Special Price: $11.05

  • 67011 / CR-100 Aquamira Water Bottle Replacement Filter Capsule - front

    67011 / CR-100 Aquamira Filtered Water Bottle Capsule

    $12.95 Retail Price:  $17.19
  • 1-10300-P-FC-K Seychelle Advanced Replacement Pull Top Filter
  • FM-25R Culligan Replacement Faucet Filter

    FM-25R Culligan Replacement Faucet Filter

    $12.99 Retail Price:  $24.99
  • RF-3375 PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White
  • 1-10200-FC-K Seychelle 28oz Standard Flip Top Replacement Filter
  • 1-10200-P-FC-K Seychelle Standard Replacement Pull Top Filter
  • FM-15RA Culligan Level 3 Faucet Filter Replacement Cartridge
  • F1-S6-05 OmniFilter Faucet Filter System

    F1-S6-06 OmniFilter Faucet Filter System

    $15.99 Retail Price:  $19.31
  • 1-10300-FC-K Seychelle Advanced Replacement Filter

    1-10300-FC-K Seychelle Advanced Replacement Water Filter

    $16.76 Retail Price:  $20.64
  • F5-WHITE Instapure Complete Faucet Filter System - White

    F5-WHITE Instapure Complete Faucet Filter System - White

    $16.99 Retail Price:  $21.84
  • R5-1PK Instapure Complete Faucet Filter Replacement Cartridge
  • R2-4PK Instapure Essentials Faucet Filter Replacement Cartridge (4-Pack)
  • R8-1PK-WHITE Instapure Ultra Faucet Filter Replacement Cartridge - White

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