💧 Sip Sustainably: Elevate your hydration game with a touch of tradition! Compatible with any bottle, carafe, or jug for on-the-go hydration. Boil to refresh its purifying power—no waste, just wellness. Made from natural wood, it's a sustainable alternative to plastic filters. Simply drop it in your bottle and enjoy clean, great-tasting water. Harness the power of centuries-old Japanese tradition for your daily hydration. Lasts 6 months Purifies water Natural wood The BLACK + BLUM Charcoal Water Filter utilizes traditional Japanese Binchotan charcoal to purify drinking water. Each stick lasts up to 6 months and can be rejuvenated by boiling. It's designed for use in any bottle, carafe, or jug, making it a versatile and eco-friendly choice for health-conscious consumers.