Product Advantages
◆ Stainless steel shell, not easy to rust, long service life
◆ 300mm,400mm,500mm,600mm 4 sizes available
◆ The circulating fan exhausts air through negative pressure and exchanges indoor and outdoor air with super suction to discharge the hot gas, peculiar smell and dirty air in the plant. After the original air in the plant is discharged, it naturally flows into fresh air due to negative pressure, so that the indoor temperature is reduced to the same as the outdoor temperature.