Roof axial fans

Powerful robust fan for extract or intake application. Wide variety thanks to the
exclusive M.N.S. (Multiflow Novovent System) multiflow impellers which enable
selection according to requirements of flow, consumption, sound level, size, etc.
Available in two versions, with or without valve (which obstructs the outflow when unit
is not in use). Standard fan is prepared for extract purposes, can be intake to order.
Valve is not available when fan is prepared for intake application.