This Fluidmaster PRO550UK Pro Push Button Bottom Cable Dual Flush Valve is the perfect addition to your toilet. With a round shape and a white colour, this flush valve is suitable for any compatible brand and model of fluidmaster. The item diameter is 1 1/2" and 2", and it is made of PVC material.This modern style flush valve features a push valve flushing technology and a dual flush type. It also includes a flush push button and a flush valve, making it easy to use. The item is water saving and has a Wras approved label and certification. This unit is sold as a single item and is compatible with toilets.