XFT-Roof without power fan

★性能特點

◆ 自然風力推動，24小時全天候運轉。 

◆ 靈敏度高，只要微風或室內外有溫差即可驅動渦輪葉片轉動。 

◆ 運轉平穩，安靜、改善室內環境。 

◆ 采用整組高級軸承，無需潤滑，堅固耐用，故障率低。 

◆ 耐腐蝕、耐酸堿，使用壽命長。

◆ Natural wind drives, operating in 24 hours of whole day . 

◆ High sensitivity , slight wind or the range of temperature can drive the turbine blade to turn around .

◆ Rotary stablely, quietly to improve the inner environment of room

◆Using complete senior axis bearing , no lubrication , solid , low fault rate .

◆ Corrosion resistance , acid and alkali proof , long service life .