The frame adopt 275g/㎡ galvanized steel plate, balde are made of 1.2 thinckness stainless steel plate,used one times punch forming technology. The fan's shutter can open and colosed automatically. This fan have high air flow and long service life, it can always make you have fresh air.
We have all kinds of size fan and accept customized size. If you have special request we can do it.
