Improving the taste of coffee: This Delongie filter cartridge contains high-quality ion-exchange resin and activated carbon, which stabilizes calcium carbonate and impurities, such as chlorine and limestone removed to improve the taste of coffee.Better engine performance: The water filter improves the performance and efficiency of the machine. Extend machine life by keeping hoses clean. Avoid clogging the coffee machine due to scale deposits.Compatible model: replaces Delongie filter models, including ECAM and ETAM type coffee machines and conventional pump coffee machines of the EC680 and EC800 series.Economical and ecological: Recyclable water filter with quick and easy installation. These filters have been tested for the effective reduction of chlorine, heavy metals and other harmful contaminants.2 month lifespan: Replace your water filter every 2 months to ensure continuity of fresh water. (NOTE: Now we have two versions of the package, the filters are the same and are sent randomly.)Please soak the filter completely under running water before using.Regular use of the filter will extend the life of your coffee machine.Each filter will last approximately 2 months. Depending on the quality and hardness of your water.ECAM - All series (includes 44.660.B, 22.110.SB...)ETAM - All series (include 29.660.SB, 29.510.B...)ESAM - 55/56/57/66/67/68/69BCO400, BCO410, BCO420EC680, EC800, EC820, EC850, EC860etc......Number of products: 3 piecesColor: blue whiteSize: 170*80*50mm