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*

Replacement Water Filters: Undersink

Undersink Water Filters by DiscountFilterStore.com

8 Item(s)

Grid  List 

Set Descending Direction
  1. P-250 Pentek Undersink Filter Set
  2. E5722-P Omnipure Carbon Block Water Filter

    E5722-P Omnipure Carbon Block Water Filter

    Fits systems that use the Everpure 4CB5-S water filter cartridge Learn More
    $33.99
  3. EP-5 Pentek Replacement Filter Cartridge
  4. AP-DW85 Aqua-Pure Undersink Filter Replacement Cartridge

    AP-DW85 Aqua-Pure Undersink Filter Replacement Cartridge

    Fits Aqua-Pure undersink water filter systems Learn More
    $43.99
  5. CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    For use in any brand of undersink water filtration systems that use 9 3/4-inch x 2 1/2-inch water filter cartridges Learn More
    $19.99
  6. AP22 Aqua-Pure Undersink Filter Replacement Cartridge

    AP22 Aqua-Pure Replacement Undersink Water Filter Cartridge

    Fits Aqua-Pure undersink water filtration systems Learn More
    $58.99
  7. FQSLF GE SmartWater Undersink Filter Set
  8. GXULQR GE Undersink Filter Replacement Cartridge

    GXULQR GE Undersink Filter Replacement Cartridge

    Fits the GE GXULQ and GNULQ Systems Learn More
    $39.99