2-part drain made from stainless steel AISI 304 (1.4301) with a plate thickness of 1.5 mm. reverse pleated U edge according to EHEDG. Round hygienic well housing diameter 137 mm, fully inspectable and free of water when removing odor trap and strainer, flow rate 0.9 l / s. Well housing and stench lock designed in such a way that no dirty water remains in the well housing, but only in the odor lock according to EHEDG. The top surface is square, 150 x 150 mm. After crimping and welding, the whole is pickled and immersed. The drain is equipped with anchoring.