Certified with NSF/ANSI Std. 42 及 53(inclueded Lead Reduction)，average 99.3% lead reduction in water
Each liter of Lead Reduction drop from 0.150mg/L to 0.001mg/L (WHO Standard is below 0.01mg/L.
Effectively filter 99.99% Cyst (performance is above NST Std.99.95%)
Cartridge life varies by water consumption and water quality but the maximum life is 12 months only.