Improved coffee taste : This 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 filter & agrave; water improves performance and efficiency of the machine. Extend the life of the machine by keeping the hoses clean. & Eacute; avoid clogging the machine & agrave; coffee & agrave; causes tartar deposits. Compatible model: replaces older models. filter, including machinery & agrave; coffee type ECAM and ETAM and machines & agrave; coffee & agrave; conventional pump from the EC680 and EC800 series. Economical and ecological: Filter & agrave; 100% recyclable water with quick and easy installation. These filters have been Tested for the effective reduction of chlorine, heavy metals and other harmful contaminants. 2 month shelf life: Replace your filter. water every 2 months to ensure continuity & oacute; fresh water.