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 SHIPPING on orders over $39

Replacement Water Filters: Undersink

Undersink Water Filters by DiscountFilterStore.com

Items 1 to 25 of 152 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  1. OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge
  2. F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    Fits the InSinkErator F-201 Water Filtration System, and all Series 1100 and 2200 Instant Hot Water Dispensers Learn More
    $63.99
  3. FXSLC GE SmartWater Undersink Filter Set

    FXSLC GE SmartWater Undersink Filter Set

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $25.99
  4. ZFRHC Zuvo Water Undersink Replacement Filter Cartridge

    ZFRHC Zuvo Water Undersink Replacement Filter Cartridge

    Fits 100 and 300 Series Zuvo Water filtration systems Learn More
    $24.99
  5. WHKF-GAC Whirlpool Undersink Replacement Filter Cartridge
  6. WHKF-DB2 Whirlpool Undersink Replacement Filter Cartridge

    WHKF-DB2 Whirlpool Undersink Replacement Filter Cartridge

    Fits the Whirlpool WHKF-DUF Under Sink Filter Housing Learn More
    $10.99
  7. WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge
  8. WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    WHAB-6010 Whirlpool Replacement Unit B Filter Cartridge

    Fits the Whirlpool WHAF-0335AB Filtration System Learn More
    $45.99
  9. WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge
  10. K-201 Kohler Undersink Replacement Filter Cartridge

    K-201 Kohler Undersink Water Filter Cartridge Replacement

    Fits the Kohler Aquifer Water Filtration System K-200 Learn More
    $94.99
  11. RS19 OmniFilter Reusable Screen Filter Cartridge

    RS19 OmniFilter Reusable Screened Water Filter Cartridge

    150 micron filter that fits into most industry standard size 10-inch water filtration system housings Learn More
    $14.99
  12. 32-250-125-050 KX Technologies Replacement Filter Cartridge
  13. MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  14. MATRIKX-Pb1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  15. MATRIKX-CTO2-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  16. MATRIKX-5-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  17. MATRIKX-1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $10.99
  18. 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter
  19. 47-55712G2 Water Factory Systems Replacement Filter Cartridge
  20. 47-55708G2 Water Factory Systems Replacement Filter Cartridge
  21. QC10-TSGACR Pentek Undersink Quick-Change Replacement Filter Cartridge
  22. QC10-GACR Pentek Undersink Quick-Change Replacement Filter Cartridge
  23. QC10-EPR Pentek Undersink Quick-Change Replacement Filter Cartridge
  24. QC10-CBRR Pentek Undersink Quick-Change Replacement Filter Cartridge
  25. 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