This devise is directed to a small sewage odor Bay. ; top is formed inside the open space, sewage and bodies that make up the appearance of the Bay; ; in the body so that the sewage flows discharged from the toilet to the first entrance formed ohsuyu ; Sewage and waste water discharge port formed in the body are introduced into the first inlet ohsuyu discharged; The first yudonggil and sewage connection with the provision and higher slope ohsuyu sewage inlet and outlet connection and a capping sewage outlet; And a second inlet formed in the body so that the other ohsuyu sewage flows into sewage discharged from the toilet; When the sewage is to be introduced into the second entrance ohsuyu save a capping exceed a certain amount, and so overflowed with sewage discharged into the sewage outlet yudonggil, the height of the sewage is stored is the sewage is stored higher than the upper second ohsuyu second ohsuyu entrance entrance is configured, including; the waste water storage space which is to be blocked. ; of the intended receiver sewage does not remain in the body for sewage discharged from the toilet, the sewage that is discharged from yudonggil kitchen sewage is discharged into the sewage outlet in the toilet while washing the sewage discharged from the kitchen, as well as Even if the discharged waste water is not filtered immediately without entering the odor was small, the failure does not occur due to foreign matter.
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