[Universal Toilet Flush System]:2" outlet and 300mm cable, 38mm button diameter, standard for any toilet [Dual Flush Function]: Toilet flush system replacement has dual flush function with adjustable full and partial flush volumes [Easy to Install]: cistern flush replacement is very easy to install and replace, no need for plumber to do it, you can do it. The product comes with instructions. [Toilet Flush Button] ABS button, mirror plating process, durable and anti-corrosion. [Superplastic]:Dual flush and fill toilet cistern kit use of superplastic can make up for the lack of traditional ABS material in terms of hardness, bending strength, acid and alkali resistance, effectively enhancing the stability of the water valve and other major parts of the molding size and the stability of the water inlet valve function, Manufacturer: Apragaz