After more than 10 years, the button washer has been worn out .
I did not buy its whole part but I went to a hardware store and purchased an O-ring.
I think it also saves the environment.
40cents.
10년 넘으니 변기 물내리는 버튼 고무와샤가 닳아져서 전체를
구입하지 말고 철물점에가서 오링 사서 설치했습니다. 500원