Water purification: Anti-limescale filter cartridges effectively remove impurities and harmful substances from water, making it cleaner, healthier and safer Water Protection environment: The use of tap water filter cartridges reduces the need to purchase bottled or keg water, and therefore the amount of plastic waste produced Convenient to Use: The cartridge of the Faucet water purifier is easy to use, easy to replace and meets the requirements of a convenient and healthy lifestyle Scope of application: Limestone filter faucet cartridge diameter: 32mm, height: 38mm (margin of 'error 0-2mm), please check the dimensions before placing your order Economic and Practical: The use of anti-limescale faucet filter cartridges allows you to reduce the cost of water and save a lot of money, with each cartridge having a lifespan of approximately 2 months