A dual flush valve is provided for refilling fluid in a toilet bowl. The dual flush valve includes a refill mechanism configured to refill the toilet bowl with a substantially same volume of refill fluid for both a full flush and a half flush, a first valve connected to the refill mechanism, the first valve operates to control flow of fluid into a bowl, a fluid input is connected to a first port of the first valve, and a fluid output is connected to a second port of the first valve. The level of fluid in the bowl is refilled to a same level for both a full flush and a half flush.