AH0004800R (D2D Syphon 2"). ROCA Dual Flush Cistern Valve. Fits a wide range of Roca WC models. Roca D2D AH0001800R Dual Flush Push Button. There is only 1 other Roca Valve that is different which is the Roca D1D Dual Flush Valve ‘Old Style’ AH0003600R.
