1-part drain made from stainless steel AISI 304 (1.4301) with a plate thickness of 1.5 mm. reverse pleated U edge with solid stainless steel full material (or synthetic resin) edge reinforcement against mechanical and thermal stress according to EHEDG. Round hygienic well housing diameter 110 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, 200 x 200 mm. After crimping and welding, the whole is pickled and immersed. The drain is equipped with anchoring.