It is designed for laying sewage pipes and discharging sewage into the sewage system. It is installed in the floor and is executed with a slope to the point of sewage disposal to the sewage system and equipped with control supports (for levelling the trough) and overlaps protecting the trough in the floor. From above, the trough is covered by a grid. Dimensions and inclination of the Trough is carried out in accordance with the Customer's instructions. Material: AISI 304 stainless steel.