The fan has a durable check valve that can prevent the intrusion of air or foreign substances from the outside. Equipped with a bent design impeller and a ball bearing engine. The fan provides a large amount of air, high pressure and low noise.
It has self-developed and high-perfomance brushless motor, that does not heat up, high energy efficiency and energy saving.
The fan can automatically maintain a constant volume of air at a certain pressure when it detects changes in the resistance of the pipes. It is more widely used due to the provision of ventilation in a complex pipe connection.