Set of 3 100% French activated charcoals. 100% French charcoal from Burgundy forests and managed responsibly. PEFC and FSC certified wood. Details: - Weight: Approx 5g-15g per stick - Filter up to 1.5L of water - 6 months of use per stick Manufacture: - Origin: France (Burgundy forest managed responsibly) - Packaging: France Characteristics: - Removes chemicals and heavy metals - Preserves minerals and trace elements - Improves the taste of water - 100% recyclable and compostable How do you use activated carbon? - At the first use, put the charcoal in boiling water for 10 minutes - Let your charcoal dry for a few minutes - Let the charcoal soak in 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.