Vintage Good Luck Art Carved Floor Waste Grates Fish and Lotus Oil Rubbed Bronze Finish Shower Square Ground Drainer Made of Solid Brass 4" Square 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