Easy to install The dual flush button is simple to install and requires no special tools. Just twist the button onto the toilet water tank by hand. Durable materials Made from ABS plastic with a 325 stainless steel spring for reliable, long lasting performance. Dual flush design Offers a half flush and a full flush option to save water while ensuring effective toileting. The cistern flush button is easy to use and intuitive. Wide compatibility This two button design fits one piece toilets, two piece toilets and squatting toilets, making it suitable for a variety of toilet configurations. Use scenarios Home renovation or retrofit: upgrade an existing toilet with a convenient dual flush button without tools, improving water efficiency. Public or shared restrooms: robust construction and easy maintenance for traffic environments. construction or remodeling: flexible compatibility with different toilet types simplifies installation and procurement.