The fans shall be of the Vogue Series designed and manufactured by Fantech Pty. Ltd.
The axial impellers shall be direct-driven by speed-controllable external rotor motors with integral thermal protection.
The impellers shall be manufactured from galvanised steel with
a powder coat finish.
All models shall be fully tested to ISO5801:2004 for air flow and
BS848:Part 2, 1985 for noise.