Outside cover is made from AISI316.The inside construction is made from UV-resistant ABS-plastic.
Protected against incoming seawater.2propeller are included, one for exhaust and one for intake.
Powerfull multicry stalin solarcells,let the fan run also with diffuse light. Very silent.The version with
recnargeable NI-CAD battery, let the fan run 24 hours night and day,except continuously dark days wih
over casted sky ,without any sunshine.
