1. Corrosion-resistant and durable:The cistern adoptted engineering plastic. 2. 6L single flush water volume. 3. Light weight: The plastic cistern''''s weight is much lighter than the cermet cistern. 4. Easy delivery, easy install and easy wash. 5. With silent fill valve&flush valve, can prevent noise. 6. Every cistern is automatically tested for correct function and to ensure that have no any leak. The using of first-class material can certify that the valves'''' useing life is long