-- Comes with 3 tap water purifiers in green, blue and pink. -- Food grade PP material has largely eliminated unhealthy factors.Maifan stone purification ball can change the pH characteristics of water quality, make you enjoy a healthier life? --Uniform filter hole size, you don't have to worry about splashing, it has the functions of filtering, splash protection and water saving. --The mini carbon cartridge tap water purifier filter is easy to install and use, suitable for bathroom or kitchen. --Activated carbon water filters can only be installed on circular outlet faucet, please install and purchase them according to the shape of your faucet outlet.-- The filter should be replaced after 2 months for purer and cleaner water.