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Nowadays the water problem is becoming more and more seriously Under some circumstances,there may be no clean enough water. The filter dripper can help you draw water, at the same time it can filter some dirty staffs. The amazing point is that its physical structure which inherits one of Chinese ancient dripper--Qiqi, makes itself lies on the water when it was thrown into the water. With the water flowing into the dripper, its center of gravity is changing and when the dripper is full of water, it will stand up which indicates you that it is full.
Zhao Yijun Hong Zhijin Yu Qian Su Ding