Model requirements: The DLSC002 water filter is compatible with Delong Magnifica, ECAM, ETAM, ESAM, Primadonna, BOC, EC fully automatic coffee machines, and is also suitable for the EC680 and EC800 series. Lon exchange resin+activated carbon filtration: Granular activated carbon can provide efficient filtration - reducing chlorine, lead, and copper in drinking water, reducing the formation of scale deposits, and extending the lifespan of equipment. Excellent filtration: Activated carbon can adsorb strong odors and heavy metals, and filter impurities in water. It can ensure a reduction of at least 90%. Create clean water to enhance the taste of your coffee. Please note: After receiving the product, please note: 1. If the filter overflows a small amount of carbon powder due to transportation, this is normal. 2. Rinse with 0.5 liters of water before use for a maximum of 2 months. 3. Fully immerse the filter in the water tank for about 10 seconds until the air in the filter is expelled. 4. Put it in a bowl and press it on the floor. Durable protection: Made of environmentally friendly materials, providing long-term continuous protection. The service life of Delong seawater filters can reach 8 weeks, so we recommend replacing them every 2 months.