[Coffee Enhancement Button]: This filter contains high-quality ion exchange resin and activated carbon, which can stabilize calcium carbonate and remove impurities such as chlorine and scale, thereby improving the taste of coffee.[Protect Your Coffee Maker]: The water filter improves the performance and efficiency of your machine. Keep the pipes clean and extend the life of the machine.[Compatible Models]: It can replace the filter coffee machine of Delonghi ECAM, ETAM bean-to-cup coffee machine and the traditional pump coffee machine of the EC680, EC800 series. Recyclable water filters are quick and easy to install and are tested to effectively reduce chlorine, heavy metals and other harmful impurities.[2 Months Service Life]Replace the water filter every 2 months to ensure water purity and filtration effect. Each cartridge contains 50 liters of water.