Solves installation problems: Innovative design with 3-inch standard dimensions provides easy installation and a tight fit, reducing maintenance needs. Water saving: Special sealing system eliminates constant purge of rinse water, restores full flushing power, and enables cost-saving operation by precise water dosing with every flush procedure. Material resistance: Special PVC blend resists wear and tear, guarantees dimensional stability, and delivers reliable sealing for years. Quick installation: Thoughtful design allows easy change of the toilet valve in record time. The tool-free assembly technology is suitable for amateurs and experienced DIY enthusiasts alike. Use scenarios - Install in residential bathrooms during new builds or upgrades for quick, secure fitting. - Apply in rental properties to reduce downtime and maintenance visits. - Use in service and repair projects where DIY-friendly valve replacement speeds up work.