| 摘要 |
Disclosed is a ventilation device for removing offensive odors from within and near the toilet bowl, incorporating a modular asymmetrical exhaust airway to permit retrofitting onto a variety of toilet designs. The device may be used with a specially-designed toilet seat containing an internal duct and air outlets on its lower surface, or it may be used with a standard toilet seat by drawing gases from the bowl, through the space between the seat and the rim of the bowl, yet above the flood rim level specified in many plumbing codes. The invention also includes an easily disassemble design for sanitary cleaning.
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