... adjustable for full/ partial flush volume 2. Import material for the flush sealing padName: Adjustable dual flush valve Item No.: A002 ... 230mm, 270mm, 310mm, 350mm, 390mm)-2. Dual flush system, full/partial flush volume is adjustable, saving water.-3. High water discharge ... Availalbe with 2"connector. -5. Imported material for the flush sealing pad, gurantee no leakage.-6. Refill adjustable: 0~30 ...