The 47-5511G2 is employed first in series in the FM-2 Lead Plus Cuno Water Factory Drinking Water System. This carbon block cartridge adsorbs chlorine/chloramines. Ion exchange zeolites are embedded in the carbon construction to remove lead from the water. The cartridge filters down to .5 micron (nominal) which gives the 47-5511G2 cyst removal capabilities.
This cartridge also used 1st in series in these other Water Factory Systems: FM3 DWS 350 and the CM-2.