Bathroom Sink Pop-Up Drain with Overflow – US Standard, Unlacquered BrassUpgrade your bathroom with the timeless beauty of solid unlacquered brass. This premium pop up drain is designed for sinks with overflow and features a durable construction that naturally develops a beautiful living patina over time. The spring loaded push button allows easy opening and closing with a simple press, while the built in anti clogging filter helps prevent debris from blocking your drain. Features Solid Unlacquered Brass construction