Equiparts carries stems and cartridges for security washroom sinks. These security stems and cartridges are designed specifically for use in highly durable security grade sink fixtures. Our inventory includes the Willoughby self-closing valve cartridge, the Metcraft OEM slo-close valve assembly for the Tempus II, and more. Note that our entire inventory is not listed online. If you don’t see what you’re looking for, call to learn about more options.