Solar Whiz 40w Solar Roof Ventilator Add on: Night operation pack:No 5 m/s Rated wind speed

5 m/s     Rated wind speed 12

Completely safe

compact mini-turbo Wood Stove Fan

Suitable for small commercial applications such as warehouses

It is compatible with any sort of solar batteries thet you might already use

Solar Whiz 40w Solar Roof Ventilator Add on: Night operation pack:No 5 m/s Rated wind speedThe Solar Whiz SW AU R 40 solar exhaust fan is the largest Australian made domestic solar ventilator. It is the most popular and powerful unit, suitable for homes up to or beyond 250 square metres. Suitable for small commercial applications such as warehouses, factories, stables, offices, etc. Made from stainless steel, particularly good for tropical and coastal regions. If you need to move a large volume of air quickly, the SW AU R 40 is your answer.