This C3 Kit is for replacement filters for your Chanson C3 water filters. The filters are for Non-Chloramine and Non-Fluoride treated water. This is typical in Vancouver GVRD water, Calgary, and, Montreal, Quebec City.
For Chloramine, please choose the Kit for Chloramine, To find out call your city and ask to speak to the water treatment person and ask if they add ammonia. When ammonia is mix with chlorine it produces Chloramine.