- Superior materials: Made of high quality durable ABS material for safe, effortless flushing. Robust design ensures long lasting use. - Smart water saving: Closed double flush system provides efficient water management while maintaining reliable flow through the standard 48mm tank hole diameter for an improved flushing experience. - Easy installation: Quick to install by simply screwing into the flush valve. No special tools or expertise required, saving time and effort. - Compatibility and performance: Designed to replace a worn or leaking toilet button cover and to fit toilets using a 48mm flush valve hole. - Gift and applications: A practical upgrade for any bathroom; ideal as a gift for birthdays or holidays. Provides uninterrupted, efficient flush in various settings. - Use scenarios: Ideal for a home bathroom upgrade; suitable for rental properties to reduce maintenance needs; improves guest experience in hotels or guest bathrooms.