1. Applied non-point source pollution management technology of rainwater collection and

exclusion to prevent urban flooding

2. Ability to prevent drainage impediments such as cigarettes, leaves, and trash from entering

drains

3. Safety measures in place to protect drain pipe efficiency after sewer cleanings

4. Easy to clean, therefore reducing maintenance costs (product weight is 2kg)

5. Easily attached to public road drains, leading to further reductions in cleaning and

maintenance costs

6. Prevents inflow of non-point source pollutants, reducing direct exposure to drain odor.