To better understand the water you drink,also to reduce pollution of the earth. Different houses in different regions have different water quality. City and country, buildings and detached houses water quality conditions are different in different regions, If possible, there should be customized options, using the filter that is most suitable for the home. Combine the most suitable filter module to get the most effective and reliable water purification effect. We provide 2 filter module DIY solution to make your purifier. In Line Type     In Line Replaceable module water cartridge High density activated carbon block YPC-100 GAC & UF DIY module YPC-1121 Filter out chlorine & bacteria YPC-1122 Filter out lead, chlorine, bacteria YPC-1123 Filter out chlorine, bacteria, Scale inhibition YPC-1124 Filter out bacteria, lead, chlorine,Scale inhibition More information or contact us