Product features: 1. Enhance coffee taste: This Delong filter uses ion exchange resin and activated carbon to stabilize impurities such as calcium carbonate and chlorine, thereby enhancing coffee taste. 2. Protect the machine: Delong filter element can improve the performance and efficiency of the machine, keep the pipeline clean, extend the service life of the machine, and avoid scale deposition causing blockage of the coffee machine. 3. Service life: To ensure continuous and stable water quality, it is recommended to replace the filter element every 2 months. 4. Applicable models: Can replace Delong filter models, including ECAM series coffee machines and EC680 and EC800 series traditional pump coffee machines. These filter cartridges have been tested to effectively reduce impurities. Specification: Packaging size: 8.78x6.53x1.61 inches; Product weight: 16.8 ounces; Color: White; Material: Activated carbon; Size: 5.6 x 15.7 centimeters; Packaging content: 5 coffee machine filters. Attention: 1 Please fully immerse the filter element in running water before use. 2. Do not use this filter element for water that is microbiological safe but of unknown water quality without proper disinfection. To maintain the cleanliness and service life of the filter element, please replace it every 2 months. Each filter element can filter 50 liters of water. Only includes the above packaging content and does not include other products. Attention: Light and different displays may cause slight differences in color between the items in the picture and the actual product. The allowable measurement error is+/-1-3 centimeters.