Advanced variable frequency motor: This motor incorporates variable frequency technology and high-quality double ball bearings, allowing for smooth speed control. Stepless wind speed adjustment: Effortlessly control the airflow with a speed knob to customize wind speed. It offers a high air volume of 594 m³/H, a maximum speed of 5000 RPM Automatic water pump operation: The pump automatically lowers when the unit is turned on and raises when off, enabling easy water changes by removing the water basin. Service:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours Vortex and negative pressure design: The integrated fan within the chamber minimizes extraction distance. The serrated edge of the water curtain plate decreases airflow rapidly