4 Pack Water Filter for Sage Coffee Machines – Compatible with Sage Barista Express (SES875, Batch 1735 up), Barista Pro (SES878), Barista Touch (SES880), Oracle (SES980, Batch 1750 up), Oracle Touch (SES990), Dual Boiler (BES920, Batch 1749 up), and Duo-Temp Pro (BES810, Batch 1738 up). Not compatible with Bambino Plus (BES500/SES500/SDC450/SDC400). Improves coffee flavor — Features coconut shell activated carbon with well-developed pores and high adsorption capacity to effectively reduce impurities, scale, odor, residual chlorine, volatile organic compounds, and heavy metals (e.g., Pb, Hg). Sodium-free cation exchange resin softens water while retaining beneficial minerals. Certified to NSF/ANSI Standard 42 and compliant with Regulation (EC) No. 1935/2004 and DIN 10521:2009. Housing is made of BPA-free plastic. Internal filtration layers include natural coconut shell activated carbon and cation exchange resin. Micro-porous grid and micro-mesh PP cotton help prevent fine particles from entering the filtered water. Protects your coffee machine — Reduces limescale buildup in internal components by filtering deposits from tap water. Replacement recommendation — Replace every 3 months for optimal performance. Pre-use instruction — Soak the filter underwater for 5 minutes before first use. Each package contains 4 individually sealed filters.