3.big air volume
4.six stainless steel blades
5.shutter open/close automatically
Fan Frame: made from highly galvanized steel sheets in order to assure highest strength and strong resistance to corrosion.
Blade: 6 pieces stainless steel blades and the fan has all passed the experiment of homeostasis with big air volume, without deformation n, no breaking, attractive and durable.
Belt Pulley: The V type belt pulley is aluminum magnesium alloy injection molded, light weight, high-strength.
Bearing: France imported bearing, high intensity, low noise, long service life.
Motor: high-effiency, energy-saving. Protection Grade: IP55. Insulation Class: F.