1. Fan Box Material: 1mm thickness galvanized steel panel.
2. Fan Blade Material: 1.5mm thickness galvanized steel panel.
3. Shutter Material: 0.5mm thinckness galvanized steel panel. Automaticlly (Air flow pressure) close design.
4. Motor: 380V/50HZ, 3Phase, 1Speed, Home-made motor.
5, cooling pad made in china
6, Size: 1380X1380X400MM, weight 86KGS.