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Siamp Deluxe Optima 50/99T Component Pack can be installed with any plastic or ceramic cisterns. Optima 50 flush valve adaptable to any installation. Dual flush, the Button can be located on the front, top or side of the cistern. Cable length 470 mm and supplied with 2″ and 1.5″ strainer. It has a high flow rate 3.5 litres-per-second and can be easily removed for maintenance.