| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple air-cleaning system for removing staining substances. SOLUTION: The air-cleaning system 20 cleans air in a bathroom, having a flush toilet 1 including an automatically water supplied and drained water storage tank 30. The system 20 comprises a water storage tank 30, and a suction and exhaust pump provided in the tank 30. The suction port of the pump communicates with the exterior of the tank 30. An exhaust port of the pump communicates with underwater in the tank 30. The air in the bathroom is sucked from the suction port, and exhausted from the exhaust port into the water in the tank 30, to dissolve the staining substance in the air into the water. |
