タイトルまたは説明

Water filter straw can purify the sewage into drinking water , Many kinds of dirty water can be filtered into a drinking water quality (heavy metals, chemicals, and many other toxic substances can not be filtered); prevention of drinking water caused by diseases, such as cholera, typhoid and dysentery, etc., the life straw can filter *9.*9% of the parasites and bacteria, to prevent diarrhea. The device also can provide safe drinking water for the victims of hurricanes, earthquakes or other disasters "