Antique Brass Bathroom and Kitchen and Balcony Square Floor Shower Drain Waste Symmetry Engraving Copper Tee Ground Floor Function: use for toilet, kitchen, veranda & public drain area High strength corrosion resistance, abrasion resistance, excellent adhesion Electroplating strict compliance with international stands Prevent return water, prevent backflow smelly, prevent jams, prevent pests Meets or exceeds all industry standards and certification