wind roof fan
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