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

18 Item(s)

Grid  List 

Set Descending Direction
  1. BG-3000 Body Glove Water Filtration System

    BG-3000 Body Glove Water Filtration System

    Filters down to .50 micron Learn More
    $381.99
  2. FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  3. US-1500 Pentek Undersink Filter System with Monitor
  4. US-1000 Pentek Undersink Filter System
  5. BG-1000 Body Glove Water Filtration System

    BG-1000 Body Glove Water Filtration System

    Filters down to .50 micron Learn More
    $337.99
  6. 3MFF100 Aqua-Pure Full Flow Drinking Water Filtration System

    3MFF100 Aqua-Pure Full Flow Drinking Water Filtration System

    Fits beneath your sink and connects to standard faucets Learn More
    $234.99
  7. AP510 AquaPure Water Filtration System

    AP510 AquaPure Water Filtration System

    3/8-inch NPT pipe size, 5 Micron. Quick Connect fittings make installation easy! Learn More
    $124.99
  8. 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

    Regular Price: $218.99

    Special Price: $143.05

  9. WQCFU-T-KIT Watts Triple Drinking Water Filtration System w/Kwik-Change Filter Cartridges

    WQCFU-T-KIT Watts Triple Drinking Water Filtration System w/Kwik-Change Filter Cartridges

    Comes complete with water filter cartridges, bracket, faucet, feed water saddle valve and tubing Learn More
    $118.99
  10. W9320007 Doulton Undersink Ceramic Candle Filter Housing
  11. W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  12. W9380001 Doulton Undersink Filter System
  13. W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  14. W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  15. W9320004 Doulton Undersink Filter System
  16. AP200 Aqua-Pure Undersink Filter System
  17. W9380002 Doulton Undersink Filter System
  18. CBF3-S-05 OmniFilter Undersink Filter System