Resin fiber construction for enhanced filtration Upgraded resin fiber significantly improves filtration performance compared with traditional filters, delivering a smoother brew. Optimized water filtration for ES655 and ES701 Compatible with ES655 and ES701 machines, it efficiently filters impurities from water to yield a richer, more enjoyable coffee. Activated charcoal for taste enhancement Integrated activated charcoal removes odors and contaminants, helping to improve the flavor of your beverage. Quick, tool installation Replaces filter without tools, enabling easy maintenance and consistent machine performance at home. Practical use scenarios Daily home brewing with ES655 or ES701: enjoy cleaner water and better flavor with every cup. Use in households with variable water quality to reduce impurities and enhance taste. Quick upkeep between deep cleans: fast, tool replacement to maintain coffee quality.