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

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

My Cart:

0 item(s) - $0.00
You have no items in your shopping cart.

FREE DELIVERY on orders over $39*

Undersink Water Filter Systems

Undersink Water Filters by DiscountFilterStore.com

13 Item(s)

Grid  List 

Set Descending Direction
  1. SFM2 OmniFilter Undersink Water Filter System
  2. CBF2-S-05 OmniFilter Undersink Filter System

    CBF2-S-05 OmniFilter Undersink Water Filtration System

    Built to fit onto any standard 1/2-inch NPS supply thread Learn More

    Regular Price: $65.99

    Special Price: $49.05

  3. US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System
  4. US-EZ-3 Culligan Level 3 Easy-Change Undersink Filter System
  5. SY-1000 Culligan Water Filtration System
  6. 3US-AS01 Filtrete Undersink Filter System
  7. 3US-PS01 Filtrete Undersink Filter System
  8. QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  9. QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System
  10. CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    Engineered to fit standard 1/2-inch NPS supply threads Learn More
    $74.99
  11. GXULQ GE Undersink Filter System
  12. 4US-MAXS-S01 Filtrete Single Stage Drinking Water System
  13. 4US-MAXL-S01 Filtrete Single Stage Drinking Water System