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It is necessary to filter the juice or soybean milk in the kitchen. Ordinary filtration devices are inefficient and cumbersome to use. This is an easy-to-use multistage filter. It is shaped like a hourglass, with a fixed spherical filter in the middle. When you use it, pouring the liquid into the upper cup, and the liquid flows into the lower part for primary filtration. After that, flip the filter, and the liquid is filtered through the second level. By analogy, we achieve the effect of multilevel filtering.