Mars Hydro 4" Inline Duct Fan With Speed Controller

Mars Hydro inline fans are designed to ventilate hydroponic grow rooms, exhaust odors, and transfer heating/cooling air in terms of planting needs!   PRODUCT FEATURES Efficient Ventilation: Mars Hydro 4'' inline fan uses mixed flow design to provide potent 205CFM airflow, along with a variable speed controller to easily manage the fan speed.  Quiet Workspace And Durable Body: ABS housing plastic frame and blades built sturdy body to create a truly quiet growth environment at extremely low noise(26.8dB-A).  Easy Installation: Removable duct ends with latches for quick disassembly and easy maintenance, and 4.9-foot cord length for various installations as you wish.   Basic Parameters: Exhaust Fan size: 4” | Dimensions: 303mm*202mm*190mm . | Weight: 1.7kg. | Airflow: 205 CFM | Noise: 26.8dB-A.   SPECIFICATIONS Fan size: 4'' RPM: 2600RPM Airflow: 205CFM Noise: 26.8dB-A Wattage: 25W Voltage: AC ~ 110-240V Weight: 1.7 KG Dimensions: 303mm*202mm*190mm