| 摘要 |
The present invention provides in one aspect a ventilation system for removal of foul air from a toilet bowl, where the toilet is of the flush down type having a cistern storing water for flushing the toilet bowl and with a flushing pipe feeding from the cistern to the toilet bowl for flushing the toilet bowl, the system having an air extractor fan communicating with an air extraction pipe which communicates, in turn, with the flushing pipe whereby the air extractor fan may draw foul air from the lavatory bowl via the flushing pipe and air extractor pipe and expel it through a removal pipe, wherein between the air extraction fan and the toilet bowl there is provided a baffle to deter flow of moisture on the internal walls of the overflow pipe from travelling upwardly to the extractor fan.
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