管道排氣扇，通風換氣扇，九洲風機BPT超靜音換氣扇

BPT系列超靜音天花板管道換氣扇

        通過優化風道設計，配合高效率，長壽命滾珠軸承電機.使產品的能效達到最優化，適用于不間斷換氣，廣泛用于賓館酒店，百貨商場，娛樂場所及民用住宅通風換氣.
Optimal
air duct design Motor with high- efficiency & long-life ball bearing， Optimized
efficiency Suitable
for continuous ventilation， Application: Ventilation  for hotels ， shopping malls places of
entertainment and buildings.