Set of 27 100% French loose activated charcoals 100% French charcoal from responsibly managed Burgundy forests. PEFC and FSC certified wood. Details: - Weight: Approx. 5g-15g per stick - Filters up to 1.5L of water - 6 months of use per stick Manufacturing: - Origin: France (Responsibly managed Burgundy forests) - Packaging: France Characteristics: - Eliminates chemicals and heavy metals - Preserves minerals and trace elements - Improves the taste of water - 100% recyclable and compostable How to use activated charcoal? - For the first use, put the charcoal in boiling water for 10 minutes - Let your charcoal dry for a few minutes - Let the charcoal work for 2 to 4 hours - Your water is purified 1% of our turnover is donated to our partner NGO working for reforestation in the Amazon.