This is a grease trap that is installed under the sink, the second largest of a series of "compact grease traps." Dimensions 420 x 370 x 370 mm. Installed in places with limited space under the sink or near it, copes with the task of sewage treatment from fat and food residues. Can pass the water flow of 0.14 liter/sec or 0.5 m3/h. Salvo water discharge in such a grease trap is 30 liters. The diameter of the pipes 50 mm. It has a very convenient cover, which can be used as a stand. Cover during operation holds its shape and is not deformed. Has a high-quality, high-priced seal that does not leave an unpleasant odor of the septic tank. And the seal is attached in such a way that does not fail in a constant mode of operation.