Water filter can wipe off Residual chlorine, impurities, bacteria, Heavy metals, bad odour, and keep ... 1. Stainless steel net: keep the impurity , sand , mud. sediments off the water .2. KDF: Remove heavy metal; resist the regeneration ... filtration system (optional) + UV light (optional) 3) Power filtration wipes off: a) Residual chlorine, impurities, bacteria, algae, pesticides, chemical poisons b ...