Challenge Product Water Reduction Minimum Average
Substance Concentration
Concentration Requirements Reduction Reduction
Standard 177
Chlorine 2 mg/L ± 10% 1 mg/L ≥ 50% 67.3% 76.3%
GXSM01HWW with FXSCH Cartridge Shower Filtration System
This system has been tested according to NSF/ANSI 177 for the reduction of free available chlorine.
The concentration of free available chlorine in water entering
the system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as specified
in NSF/ANSI 177. This system has not been evaluated for free available chlorine reduction performance in the presence of chloramines.
Free available chlorine reduction performance may be impacted by the presence of chloramines in the water supply.
Please contact your local water utility to determine if chloramines are used in treating
your water.
The Water Filtration System Reduces the effects of chlorine on skin
and hair
Reduces chlorine taste & odor, sediment and rust.