WC connection set DN 90 with rat blocker in black PE plastic, weldable, l = 180mm, DN 90 drain connector with built-in mechanical rat blocker, rear side of valve clad with bite- resistant stainless steel, prevents the invasion of foreign objects to the WC, inlet pipe with d: 45mm with flush pipe connector, M12 fastening set, chromium-plated cover-up accessories, for wall-hung WCs with concealed cistern, packed in a box tested to DIN 1389, DIN EN 997, 5. 2. 6 and DIN EN 476, 5. 5