Feature: Grow Tent Ready: The inline duct fan works for small indoor exhaust and grow tent ventilation. It improves airflow, reduces odors caused by stagnant air, and maintains proper air circulation for better plant growth Smart Control: This inline fan features a PWM controller and smartphone app control. It offers 4 auto modes, 0–10 speed levels, and allowing easy monitoring and adjustment of temperature and humidity Quiet Operation: The inline duct fan delivers 205 CFM (349 m³/h), noise level as low as 27.1 dB at low speed (varies by speed). Support efficient ventilation with low-noise performance, suitable for extended use, including overnight operation EC Pure Copper Motor: The duct fan is equipped with an energy-efficient and powerful EC pure copper motor. It reduces excessive heat buildup during extended operation that may lead to motor damage. Corrosion-resistant and suitable for demanding conditions Friendly Note: Includes inline duct fan only. Ventilation ducts, duct connectors, and hanging straps are not included and should be purchased separately if needed Package Content: 1 x Duct Fan 1 x User Manual 1 x Controller 1 x Controller Mounting Screw Kit 1 x Motor Mounting Screw Kit 1 x Temp & Humidity Sensor Cable 1 x Fan Control Cable