Abstract: A suction system which comprises an extractor element which is functionally connected in input to a flushing pipe of a flusher of a toilet bowl and in output to a space located outside the room in which the bowl is provided. The extractor element comprises a box-like container, which is provided with an inspection cover and inside which there is a compartment for accommodating an extractor in which the intake port is connected to the flushing pipe of the flusher and the discharge port is connected to a pipe for connection to the space outside the room or other vents; electrical and electronic means for supplying power and managing the system are provided within the box-like container.