1 no power needed 2 easy-installation and maintenance 3 natural wind drives , 4.working 24 hours

Product features

1) Easy installation and maintenance

2) Rotary stably, quietly to improve the inner environment of room

3) Using complete senior axis bearing, no lubrication, solid

4) Corrosive resistance, acid and alkali resistance, long service life

5) Non power needed

contact: ben scofield

wind roof fan