Black+Blum - Your midday reminder to hydrate. Our Binchotan charcoal water filters remove impurities like chlorine and add back in minerals like magnesium, they last for 6 months and can be
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Black+Blum | Binchotan Charcoal 4-Pack, Water Bottle Charcoal | Natural Filter, Removes Chlorine, Adds Minerals, Lasts 2 Years
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Amazon.com: Black + Blum Eau Good Water Bottle with Charcoal Filter | Filter Water Using Traditional Japanese Binchotan Charcoal, Leak Proof BPA Free Bottle, Blue, 800ml / 27oz : Sports & Outdoors
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