PORTABLE WATER BOTTLE CAP HAVING FILTRATION FUNCTION

摘要

The present invention relates to a portable water bottle cap having a filtration function and, more specifically, to a portable water bottle cap having a filtration function, the cap comprising: a fixing part (100) detachably coupled to the outer surface of an opening of a water bottle (B); a cap part (200) positioned on an upper part of the fixing part (100); a filter accommodation member (300) positioned under the fixing part (100); and a filter member (400) embedded in the filter accommodation member (300) to filter out foreign substances contained in the water of the water bottle (B).