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

8 Item(s)

Grid  List 

Set Descending Direction
  1. US-UF3 Culligan Ultrafiltration Drinking Water System

    US-UF3 Culligan Ultrafiltration Drinking Water System

    Filter capacity of six months or 500 gallons of water usage Learn More
    $218.99
  2. QC10-EP Pentek Undersink Quick-Change Filter System
  3. QC10-CBR-THREADED Pentek Undersink Quick-Change Filter System
  4. QC10-CBR-JG14 Pentek Undersink Quick-Change Filter System
  5. QC10-CB1 Pentek Undersink Quick-Change Filter System
  6. CBF3-S-05 OmniFilter Undersink Filter System
  7. 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
  8. GXULQ GE Undersink Filter System