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

9 Item(s)

Grid  List 

Set Descending Direction
  1. C-CYST-FF Aqua-Pure Undersink Filter Replacement Cartridge

    C-CYST-FF Aqua-Pure Undersink Water Filter Cartridge

    Fits the Aqua-Pure Easy Cyst-FF Replacement System and Easy Full Flow Drinking Water System Learn More
    (Retail Price: $56.34 ) $48.99
  2. AP-DW85 Aqua-Pure Undersink Filter Replacement Cartridge

    AP-DW85 Aqua-Pure Undersink Filter Replacement Cartridge

    Fits Aqua-Pure undersink water filter systems Learn More
    (Retail Price: $55.19 ) $46.99
  3. CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    For use in any brand of undersink water filtration systems that use 9 3/4-inch x 2 1/2-inch water filter cartridges Learn More
    (Retail Price: $25.29 ) $19.99
  4. AP22 Aqua-Pure Undersink Filter Replacement Cartridge

    AP22 Aqua-Pure Replacement Undersink Water Filter Cartridge

    Fits Aqua-Pure undersink water filtration systems Learn More
    (Retail Price: $75.89 ) $58.99
  5. P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More
    (Retail Price: $31.84 ) $23.99
  6. FQSLF GE SmartWater Undersink Filter Set

    FQSLF GE SmartWater Undersink Filter Set (2 Filters)

    Fits GE SmartWater undersink filter systems Learn More
    (Retail Price: $47.60 ) $37.99
  7. 3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    3US-PF01 Filtrete Undersink Filter Replacement Cartridge

    Fits Filtrete 3US-AS01, 3US-PS01, and Whirlpool WHCF-SUF, WHCF-SUFC water filter systems Learn More
    (Retail Price: $43.69 ) $37.99
  8. GXULQR GE Undersink Water Filter Replacement Cartridge

    GXULQR GE Undersink Water Filter Replacement Cartridge

    Fits the GE GXULQ and GNULQ Systems Learn More
    (Retail Price: $43.69 ) $39.99
  9. D-30 Culligan Level 2 Undersink Filter Replacement Cartridge

9 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top