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

12 Item(s)

Grid  List 

Set Ascending Direction
  1. 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
  2. P-250A Pentek Undersink Filter Set
  3. P-250 Pentek Undersink Filter Set
  4. FXULC GE SmartWater Undersink Filter Replacement Cartridge
  5. FXSVC GE SmartWater Undersink Filter Set
  6. FQSVF GE SmartWater Undersink Filter Set

    FQSVF GE SmartWater Undersink Filter Set

    Fits GE SmartWater undersink filter systems Learn More
    $42.99
  7. FQSLF GE SmartWater Undersink Filter Set

    FQSLF GE SmartWater Undersink Filter Set (2 Filters)

    Fits GE SmartWater undersink filter systems Learn More
    $37.99
  8. FXUTC GE SmartWater Undersink Filter Replacement Cartridge
  9. FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $54.99
  10. GAC-BB Pentek Replacement Filter Cartridge
  11. GAC-20 Pentek Replacement Filter Cartridge
  12. GXULQR GE Undersink Filter Replacement Cartridge

    GXULQR GE Undersink Filter Replacement Cartridge

    Fits the GE GXULQ and GNULQ Systems Learn More
    $39.99