Set of 10 boxes of x15 grey EM® ceramic beads. The gray ceramic beads will mainly act on limestone deposits. Compatible for carafes, bottles, flasks, flasks, coffee makers and kettles. Details: Weight: 1-2g/pearl Filters up to 1.5L of water Use 10 beads per liter of water Minimum 10 years of filtering Manufacture: Origin: Japan Packaging: France Packaging produced and printed in France with vegetable ink Characteristics: Reduces calcareous deposits Eliminates the taste of chlorine Energizes water Preserves minerals and trace elements Improves the taste of water 100% recyclable and compostable How do you use ceramic beads? At the first use, put the pearls for 10 minutes in boiling water Then, let the pearls act for at least 10 minutes in the water to be filtered Your water is purified! 1% of our turnover is donated to our partner NGO working for reforestation in the Amazon.