The VEVOR 6-Inch EC Inline Duct Fan is designed to provide powerful and quiet ventilation with a maximum airflow of 402 CFM, ideal for grow tents, hydroponics, and other cooling applications. Featuring an EC motor that operates efficiently and quietly, this fan optimizes airflow while reducing noise levels. The integrated PWM temperature and humidity controller ensures precise environmental control, helping to maintain ideal conditions for plant growth or ventilation needs. Compliant with safety standards, it contains no reproductive chemicals or carcinogens according to California Prop 65 regulations. Its compact size and advanced motor technology make it a reliable choice for boosting cooling performance in various ventilation systems.