Super reliable - thanks to its click function, the valve opens in seconds! No more worries about stuck sink plugs! Easy to assemble - No complicated tools are required to install the flow valve. Simply follow the instructions to configure the valve with the universal joint. 100% VERSATILE SHAPE - The chrome drain is known for its standardized measurement of 1 ¼", so it fits all commercial sinks. EASY TO CLEAN - You can clean the filter by unscrewing it, then clean it with a cloth. Disassembly and assembly will take you no more than 10 seconds! Scope of delivery: 1 retractable drain valve, gold, 66 mm, 78 mm, 41 mm