Toilet flush valve, 21cm dual flush button, one-piece replacement kit, suitable for 21-25cm toilet tank heights for bathrooms

【Premium Material】Made of high-quality plastic, this toilet flush button is corrosion-resistant, sturdy, durable, and has a long service life.【Performance】With a high-elasticity, high-density, and age-resistant rubber sealing ring, this dual flush valve has a good sealing effect, so you don't have to worry about leaks.【Regulators and Buttons】Semi-full/full flush regulator (saving 0.3/1 liter of water), saving water and energy. The two flush buttons, full/half-drain, are more water-efficient. By sliding the adjuster, this white ABS toilet cistern flush valve saves your water. [Applicable Size] Fits 65mm-75mm (2.56"-2.95") diameter one-piece toilet cistern holes. [Easy Installation] Installing the controlled flush valve is a hassle-free process that can be done without professional help. You can effortlessly replace your existing valve with these toilet cistern flush parts.