With zeta value-optimised KWW480 90° elbow wall bracket fitting, sound-insulated, plug, metal bracket, anchors, and fasteners, incl. elbow for connecting to trap d50 mm and galvanised nipple d30, "leak before pressed" audible leakage signal at air-pressure testing
DO NOT screw in threaded pipes and cast iron fittings!
DO NOT use liquid sealants!