| 摘要 |
A ventilation system for a toilet includes a seat that forms a substantially airtight seal with an upper rim of a bowl, an aperture extending from the inner surface to the outer surface, and a conduit coupled to the bowl outer surface at a first end and forming a substantially airtight seal with the aperture. The conduit is coupled at a second end to a vent pipe, wherein the vent pipe is positioned within a wall adjacent the toilet.
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