Dual flush valve 1. adjustable for full/ partial flush volume 2. Suitable for high water tank Name: Adjustable dual flush valve Item No.: AA039 Specification:-1. The height of the flush valve is 390mm(other specification: 190mm, 230mm, 270mm, 310mm, 350mm)-2. Dual flush system, full/partial flush volume is adjustable, saving water.-3. High water discharge volume : 2.0~2.3 L/s-4. Availalbe with 2" ...