Filter material uses Japanese food-grade calcium sulfite; Helps to prevents residual chlorine irritation and damage, protects skin and hair
Chlorine reduction is tested accordance to NSF/ANSI Standard 177, effectively reduces more than 50% of the chlorine in the water (tested and certified by Intertek); Change the filter when the water flow becomes slow. Suggest to change the filter every 3 to 4 months, filter life varies by water consumption and water quality.