- Compatible with multiple models: sigma01, sigma10, sigma20, sigma21, sigma30, sigma50, and sigma60. Designed to provide a precise fit for your dual flush system. - Chrome finish: Sleek chrome buttons and frame that offer a modern, easy-to-clean appearance in any bathroom. - Variety of colors: Available in silver, black, white, khaki, and gold to match your decor. - Plastic material: Robust plastic construction built to withstand daily use while maintaining an elegant look. Use scenarios: - Replacing a worn or damaged dual flush button in a residential bathroom, with guaranteed compatibility across the listed sigma models. - Standardizing fixtures across rental properties or hotels, simplifying stocking and installation since it fits multiple sigma models. - Installing in a new bathroom remodel or construction project where a chrome-finish button plate needs to coordinate with existing chrome fixtures and chosen color scheme.