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

10 Item(s)

Grid  List 

Set Descending Direction
  1. Pentek QC10-CB1R Carbon Block Quick Change Filter

    Pentek QC10-CB1R Carbon Block Quick Change Filter

    Proprietary design fits Pentek QC systems exclusively Learn More
    $22.99 Retail Price:  $31.04
  2. 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
    $22.09 Retail Price:  $27.70
  3. QC10-CBRR Pentek Undersink Quick-Change Replacement Filter Cartridge

    QC10-CBRR Pentek Undersink Quick-Change Replacement Filter Cartridge

    Fits any Pentek Quick-Change Series filter heads Learn More
    $23.99 Retail Price:  $36.79
  4. CRE-1 Pentek Undersink Filter Replacement Cartridge
  5. WGCHD American Plumber Undersink Water Filter Replacement Cartridge

    WGCHD American Plumber Undersink Filter Replacement Cartridge

    Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More
    $31.99 Retail Price:  $48.29
  6. PCC-1 Pentek Undersink Filter Replacement Cartridge

    PCC-1 Pentek Undersink Filter Replacement Cartridge

    Fits Pentek standard water filter housings Learn More
    $49.99 Retail Price:  $53.23
  7. P-250A Pentek Undersink Filter Set

    P-250A Pentek Undersink Filter Set

    Fits various brands of under-sink housings, including Culligan, Pentek, Ametek and American Plumber Learn More
    $23.99 Retail Price:  $31.27
  8. 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
    $23.99 Retail Price:  $31.84
  9. GAC-BB Pentek Replacement Filter Cartridge

    GAC-BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $22.99 Retail Price:  $32.19
  10. GAC-20 Pentek Replacement Filter Cartridge

    GAC-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 20-inch x 2.5-inch water filter cartridges Learn More
    $21.99 Retail Price:  $23.56

10 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top