Do not use with water that is microbiologically unsafe or of unknown quality.
Use 1 stick for a personal water bottle and use 2 sticks for a carafe. 1 stick can filter up to 1 liter (33.8 ounces) of water.; each stick is approximately 0.8 inches diameter and 4 inches length.
Excellent natural properties that help reduce odor and hardness from water, and filter for better tasting drinking water. Filtering time is approximately 3-4 hours.
Binchotan, also known as Japanese Oak, is considered the best quality of activated charcoal. It originates from the Kishu area in Japan.