Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)

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!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

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.

35 Item(s)

Grid  List 

Set Ascending Direction
  • CS-11 Cuno Replacement Filter Cartridge

    CS-11 Cuno Replacement Filter Cartridge

    $57.99 Retail Price:  $60.94
  • HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS Cuno Whole House Filter Replacement Cartridge

    Regular Price: $65.99

    Special Price: $50.05

  • EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    $52.99 Retail Price:  $59.79
  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99 Retail Price:  $35.64
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99 Retail Price:  $26.44
  • E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    $20.99 Retail Price:  $31.04
  • E5720 Omnipure Replacement Filter Cartridge

    E5720 Omnipure Replacement Filter Cartridge

    $33.99 Retail Price:  $36.34
  • E5720-P Omnipure Replacement Filter Cartridge

    E5720-P Omnipure Replacement Filter Cartridge

    $25.99 Retail Price:  $32.19
  • ELF-1ML Omnipure Replacement Filter Cartridge

    ELF-1ML Omnipure Replacement Filter Cartridge

    $31.99 Retail Price:  $40.24
  • Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    $19.99 Retail Price:  $24.14
  • Q5621-P Omnipure Replacement Filter Cartridge

    Q5621-P Omnipure Replacement Filter Cartridge

    $21.99 Retail Price:  $27.59
  • CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    $9.99 Retail Price:  $16.55
  • HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    HF-33 Brondell H2O+ Cypress Carbon Block Water Filter

    $31.99 Retail Price:  $36.79
  • E5620 Omnipure E-Series Everpure Compatible Filter

    E5620 Omnipure E-Series Everpure Compatible Filter

    $18.99 Retail Price:  $36.79
  • K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    $22.99 Retail Price:  $28.74
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $24.99 Retail Price:  $27.34
  • P1020266 Culligan Carbon Block Water Filter
  • 55898C Halsey-Taylor Drinking Fountain Filter Replacement Cartridge
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Regular Price: $21.99

    Special Price: $21.05

  • HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    $13.99 Retail Price:  $19.99

35 Item(s)

Grid  List 

Set Ascending Direction
Scroll To Top