The utility patented 9031 solid brass umbrella drain is a one of kind with its built in mounting ring and removable system. By easily unscrewing the umbrella dome you can quickly remove the lavatory for easy cleaning. This drain, which is designed to work in conjunction with lavatories that do not require an overflow, does not have any moving parts, making it practically maintenance free. The threads are three inches long allowing it to work with thicker countertops.
Non-Closing Umbrella Drain with Removable Mounting System.