Ideal Design: There is a mechanism inside the drain to clean it. Very smooth spring that ensures a watertight seal without the need for a leaky push-pull lever. No Overflow: There is no overflow with this drain. à For use with standard sinks and vanities that do not have an overflow hole on the top of the sink. Strong and Stable: Brass construction and locking nut, ensuring quality and durability and effectively resists corrosion and rust. Surface Treatment: Antique brass finish provides a golden appearance. Slightly retro with a wonderful metallic texture. Easy Installation: Supplied with mounting accessories, hidden screws, assembly is simple and quick, besides, this item meets your needs. most sinks.