Iso-Max are totally unique tube style fans, designed to be efficient, powerful and yet quiet in operation. Iso-Max uses the stator-rotor system that enables it to be efficient both in air performance and power consumption. Iso-Max are unique in that they are both a fan and an integrated silencer. It has a full metal housing and for noise-reduction a special type of foam is added, It's low weight, strong air performance and quietness makes Iso-Max the most advanced choice for a grow room ventilation.