NSF-certified water filter cartridge — tested to reduce chlorine, heavy metals and other potential harmful contaminants Key benefits Cleaner, better-tasting water: premium ion exchanger and granular activated carbon reduce chlorine, taste and odor to make coffee, tea and other drinks taste fresher. Reduces scale and impurities: helps lower kettle stone and other deposits that affect appliance performance and beverage quality. Verified performance: tested and certified by NSF for reduction of chlorine, heavy metals and other potential harmful contaminants. What it does (function and materials) Filtration media: premium ion exchanger plus granular activated carbon work together to remove chlorine, improve flavor and reduce minerals that cause scale. Use result: fresher tasting water and fewer impurities in drinks prepared with compatible machines. Compatibility (models) Compatible with Krups EA894 EA892D, Melitta 192830 Pro Aqua, AEG CF81, Bosch 461732, Siemens TK58001, Nivona alle Cafe Romatica, Neff C7660N0, Cocoon 921-F92141, Gaggenau CM200110. Other compatible coffee machine models can be found in the product information. Replacement and performance guidance Replace every 2 months for best results and continuous refreshment. Actual replacement frequency depends on your local water quality and machine usage. Practical use scenarios Home espresso: install in a compatible automatic coffee machine to reduce chlorine and off-flavors for consistently better espresso and milk-based drinks. Office coffee station: maintain taste quality and reduce odor for frequently used shared machines. Tea and hot-water preparation: reduce kettle stone and chlorine-related taste issues when using filtered water for tea or other hot beverages. Why buy Professional-grade materials (ion exchanger + granular activated carbon) and NSF certification provide a trusted, measurable way to improve water quality and beverage flavor in compatible coffee machines. Simple maintenance schedule: replace every two months to keep performance consistent.