Extraction of vitiated, overheated and contaminated air and the
supply and distribution of fresh air in amounts necessary to
provide healthful and comfortable conditions for the occupants of
the space being ventilated.Applying to offices and workshops means
the creation of an environment which stimulates the personnels to
higher efficiency. TONSON offers stand, wall mount, axial flow and ceiling air fans
for use in harsh environments. Air motors are hermetically
protected from dirt and dust. Speed may be adjustable and
reversible for ventilation or exhaust.