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

My Cart:

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

Free Shipping over $39

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

Replacement Water Filters: Undersink

Undersink Water Filters by DiscountFilterStore.com

Items 1 to 25 of 167 total

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

Grid  List 

Set Ascending Direction
  1. C1 Pentek Undersink Filter Replacement Cartridge
  2. F-601R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)

    F-601R 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
    (Retail Price: $134.42 ) $126.99
  3. 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
    (Retail Price: $73.36 ) $63.99
  4. 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
  5. Whirlpool WHKF-GAC Undersink Replacement Water Filter Cartridge

    WHKF-GAC Whirlpool Undersink Replacement Filter Cartridge

    Fits the Whirlpool WHKF-DUF Under Sink Filter Housing Learn More
    $17.99
  6. Whirlpool WHKF-DB2 Undersink Replacement Water Filter Cartridge

    WHKF-DB2 Whirlpool Undersink Replacement Filter Cartridge

    Fits the Whirlpool WHKF-DUF Under Sink Filter Housing Learn More
    $15.99
  7. WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge

    WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge

    Fits the Whirlpool WHKF-DUF Under Sink Filter Housing Learn More
    $14.99
  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. Whirlpool WHAB-6009 Replacement Unit A Water 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
    (Retail Price: $109.24 ) $94.99
  11. K-202 Kohler Undersink Replacement Filter Cartridge

    K-202 Kohler Undersink Water Filter Cartridge

    Fits the Kohler Aquifer Water Filtration System K-200 Learn More
    (Retail Price: $131.09 ) $112.99
  12. OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge

    OMB934-1L Omnipure Alpha Series Undersink Filter Replacement Cartridge

    Fits any brand of undersink or whole house water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    (Retail Price: $21.38 ) $14.99
  13. 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
  14. 32-250-125-050 KX Technologies Replacement Filter Cartridge

    32-250-125-050 KX Technologies Replacement Filter Cartridge

    Fits most standard housings that accept 5-inch filters Learn More
    (Retail Price: $10.34 ) $9.99
  15. MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-PB1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
    (Retail Price: $69.29 )

    Regular Price: $59.99

    Special Price: $45.05

  16. MATRIKX-Pb1-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  17. MATRIKX-CTO2-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-CTO2-10 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
    (Retail Price: $10.34 ) $9.99
  18. MATRIKX-5-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge

    MATRIKX-5-10 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
  19. 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
    (Retail Price: $14.94 ) $10.99
  20. 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter

    47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter

    Fits 3M Cuno Water Factory FaucetMATE FM DWS 1500 one-stage system Learn More
    (Retail Price: $77.61 ) $66.99
  21. 47-55712G2 Water Factory Systems Replacement Filter Cartridge

    47-55712G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2-CTO two-stage system Learn More
    (Retail Price: $51.28 ) $42.59
  22. 47-55708G2 Water Factory Systems Replacement Filter Cartridge

    47-55708G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2-CTO two-stage system Learn More
    (Retail Price: $52.89 ) $43.99
  23. QC10-TSGACR Pentek Undersink Quick-Change Replacement Filter Cartridge

    QC10-TSGACR Pentek Quick-Change Replacement Water Filter Cartridge

    Fits any Pentek Quick-Change Series water filtration system head Learn More
    (Retail Price: $21.84 ) $16.99
  24. QC10-GACR Pentek Undersink Quick-Change Replacement Filter Cartridge

    QC10-GACR Pentek Quick-Change Replacement Water Filter

    Fits any Pentek Quick-Change Series of water filtration system heads Learn More
    (Retail Price: $20.57 ) $15.89
  25. QC10-EPR Pentek Undersink Quick-Change Replacement Filter Cartridge

    QC10-EPR Pentek Quick-Change Replacement Water Filter Cartridge

    Fits any Pentek Quick-Change Series water filtration system heads Learn More
    (Retail Price: $27.70 ) $22.09

Items 1 to 25 of 167 total

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

Grid  List 

Set Ascending Direction
Scroll To Top