Knowledge! Three basic differences between negative pressure fans and positive pressure fans
Negative pressure fan is a device with very good ventilation and heat dissipation effect, and it can be seen in many daily lives. Mainly through a negative pressure air pump, the heat and odor in the room are discharged, and the fresh air outside is discharged. The air exchange rate can reach 99% and is available in some areas. It can effectively prevent the intrusion of external dust and maintain a high degree of cleanliness. It is mainly used [...]