Solar Whiz 40w Solar Roof Ventilator Add on: Night operation pack:No Suitable for small commercial applications

Suitable for small commercial applications such as warehouses

It employs a primary phase – shift controlled triac to precisely supply charging voltages and currents during the recharge cycle

This Shipping Container solar roof ventilator is for ventilating shipping containers that get too hot

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

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Solar Whiz 40w Solar Roof Ventilator Add on: Night operation pack:No Suitable for small commercial applicationsThe 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.