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

16 Item(s)

Grid  List 

Set Descending Direction
  1. 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter
  2. 47-55707G2 Water Factory Systems Replacement Filter Cartridge
  3. PD-5-934 Pentek Undersink Filter Replacement Cartridge

    PD-5-934 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $5.99
  4. P1 Pentek Whole House Filter Replacement Cartridge

    P1 Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $4.99
  5. TSGAC-10 Pentek Undersink Filter Replacement Cartridge
  6. CRE-1 Pentek Undersink Filter Replacement Cartridge
  7. CCBC-10 Pentek Undersink Filter Replacement Cartridge
  8. CC-10 Pentek Undersink Filter Replacement Cartridge
  9. CBR2-10 Pentek Undersink Filter Replacement Cartridge

    CBR2-10 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $15.99
  10. C1 Pentek Undersink Filter Replacement Cartridge
  11. ECP5-10 Pentek Undersink Filter Replacement Cartridge
  12. EP-5 Pentek Replacement Filter Cartridge
  13. NCP-10 Pentek Undersink Filter Replacement Cartridge
  14. DW-200-R American Plumber Undersink Filter Replacement Cartridge
  15. GAC-10 Pentek Undersink Filter Replacement Cartridge
  16. EPM-10 Pentek Undersink Filter Replacement Cartridge