1. A septic tank, comprising a housing with an inlet and an outlet, a neck with a lid mounted on the housing, an insert in the form of a cup communicating with the housing outlet, characterized in that the housing is installed in the housing with its separation into a receiving and an intermediate chamber communicated between themselves through the installed in the insert there is an overflow pipe with a water seal connected with the lower part with an aerator, while drainage holes are made in the lower part of the insert from the side of the intermediate chamber. 2. The septic tank according to claim 1, characterized in that the housing in the area of the insert is narrowed. 3. A septic tank according to claim 1 or 2, characterized in that airlifts are placed in the receiving chamber, the intermediate chamber and the insert.
展开▼
