The Omnifilter US1750-S-S06 water filter system accepts the following cartridge replacements:
The Omnifilter US1750 Single Undersink Filter System installs within an hour under your sink and includes a single cartridge with a 0.5 micron rating. This single cartridge system reduces sediment and rust particles, chlorine taste and odor, lead and mercury, and cryptosporidium and giardia cysts in your water. The 1/4-turn cartridge of this easy water filter system has a life of 6 months and changes out easily with no mess.
Omnifilter US1750 Single Undersink Filter System specifications: