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

11 Item(s)

Grid  List 

Set Descending Direction
  1. WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    WGC478 American Plumber Undersink Compact Filter Replacement Cartridge

    Fits American Plumber WGC478 Learn More
    (Retail Price: $14.94 ) $10.99
  2. C2 Pentek Undersink Filter Replacement Cartridge
  3. R30-478 Pentek Undersink Filter Replacement Cartridge
  4. P10-5 Tier1 Polypropylene Sediment Filter

    P10-5 Tier1 Polypropylene Sediment Filter

    Sized 4 7/8 x 2 1/2 inches Learn More
    (Retail Price: $5.74 )

    Regular Price: $2.99

    Special Price: $2.55

  5. GAC-5 Pentek Replacement Filter Cartridge

    GAC-5 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 5-inch x 2.5-inch water filter cartridges Learn More
    (Retail Price: $11.72 ) $8.19
  6. CBC-5 Pentek Undersink Filter Replacement Cartridge
  7. W5CIP478 American Plumber Undersink Compact Filter Replacement Cartridge (2-Pack)
  8. 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
  9. P1-5 Tier1 Sediment Filter Cartridge

    P1-5 Tier1 Sediment Filter Cartridge

    Sized 4 7/8 x 2 1/2 inches Learn More
    (Retail Price: $5.74 )

    Regular Price: $2.99

    Special Price: $2.05

  10. P5-478 Pentek Undersink Filter Replacement Cartridge

    P5-478 Pentek Undersink Filter Replacement Cartridge

    Fits any standard housing that uses 5-inch x 2 1/2-inch replacement filter cartridges Learn More
    (Retail Price: $8.15 ) $5.99
  11. EP-5 Pentek Replacement Filter Cartridge

    EP-5 Pentek Replacement Filter Cartridge

    (Retail Price: $6.77 ) $5.99

11 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top