Both I220 & I340 axial fans are designed to turn at low speed and to be used in any place where there is high air volume need without the creation of disturbing air-stream that could affect negatively people or animals.
Patented fall protection device
Designed to avoid the fall of the blades in case of accidental breakage.
I220: diameter from 2.000 to 3.000 mm
I340: diameter from 3.000 to 7.000 mm