The basement drain made of polymer for floor slab installation is equipped with an odour trap and a sludge bucket. The upper section with slotted grating is vertically adjustable. The drain body is made of PP (polypropylene) with a polymer frame and upper section. It features a lateral socket connection and meets load class K 3 per EN 1253-1, with a discharge rate of 1.8 l/s at a 20 mm threshold.