4" Inline Duct Fan & Speed Controller,130 CFM Exhaust Fan for Home Workshop

Create a more comfortable and controlled environment with this EC inline duct fan. The included variable-speed controller provides smooth, stepless airflow adjustment, allowing you to balance ventilation, temperature and humidity according to your needs. Choose the 4-inch model, with a 3.75-inch actual diameter and airflow up to 130 CFM, for compact grow tents and smaller ventilation areas. The 6-inch model delivers up to 345 CFM, making it suitable for larger grow tents, basements, garages and workshops. Built for dependable long-term performance, the durable EC motor offers an average failure-free operating time of more than 30,000 hours under normal conditions. Actual airflow may vary depending on duct length, bends, filters and installation conditions.

• PRECISE STEPLESS SPEED CONTROL: The included controller allows smooth airflow adjustment from gentle circulation to maximum extraction, helping you select the right ventilation level for changing heat, humidity and air-quality requirements.
• EFFICIENT EC MOTOR: The EC motor delivers stable airflow with responsive speed control, allowing the fan to operate only as fast as needed instead of constantly running at maximum power.
• 30,000+ HOURS OF RELIABLE OPERATION: Engineered for long-term use, the durable motor provides an average failure-free operating time of more than 30,000 hours under normal operating conditions, reducing maintenance and replacement frequency.
• POWERFUL SIZE-SPECIFIC AIRFLOW: The 4-inch model delivers up to 130 CFM for compact grow tents and smaller ventilation areas, while the 6-inch model reaches 345 CFM for larger tents, basements, garages and workshops.
• VERSATILE VENTILATION SOLUTION: Designed to exhaust hot, humid and stale air while supporting fresher circulation in grow tents, basements, garages, workshops, storage spaces and other compatible ducted ventilation systems.