Water filter for kitchen will effectively remove residual chlorine, impurities, bacteria, heavy metals, bad odor, and etc. The water filter housing ... , sediments.2. KDF: Remove heavy metal; resist the regeneration of bacteria, kill the organics.3. Active carbon: Eliminate the residual chlorine ... FIR nano ball: The far infrared ray is of anti-bacteria function, and it's safe and does ont melt in ...