Feature: Suitable for Grow Tents: The inline duct fan is ideal for small indoor ventilation and grow tent applications. It helps reduce odors caused by stagnant air while ensuring comprehensive airflow and circulation Quiet Operation: Even at a maximum airflow of 180 CFM, the inline exhaust fan operates at a low 37 dB. The strong airflow ensures timely ventilation, and even during overnight continuous operation, it won't cause disturbance to your sleep Pure Copper Motor: Equipped with a high-power, energy-efficient pure copper motor, this inline vent fan withstands long hours of operation without overheating. Its corrosion-resistant design ensures reliable performance even in challenging environments Multi-Scenario Applications: Our ventilation fan is suitable for grow tents, indoor ventilation, basement airflow, laser engraving fume extraction, and other small enclosed spaces Note: This product includes the inline duct fan only. Controller, ventilation ducts, duct clamps, and hanging straps are not included and must be purchased separately if needed Package Content: User Manual x 1 Installation Kit (M4 x 35 Self-Tapping Screws x 4, Expansion Screws x 4)