fresh and super OOTDTY Features: Strong power, double ball bearings, longer life. The fan casing is manufactured from galvanized metallic and the impeller is fabricated from stainless steel. The motor is provided with slide bearings. Both delicate and step speed management is played with the thyristor or autotransformer controller. Several followers could be to controller in for case the whole strength and dealing recent don't the rated controller values. Combined shipping and extract ventilation programs for various premises the place excessive at relatively low substances resistance is required. Inline duct fans filter out air pollution corresponding to exhaust, fumes and odors. easier and likewise create a cleaner environment on your plants. Multi-use fan is superb for indoor growing, grow tents, greenhouses, indoor gardens, or you want to assist an air ventilation system. Specification: : 220V Power: 25W Frequency: 50Hz Rotating speed: 2600r/min Material: Iron Dimensions: 9/3 Color: White silver Quantity: 1 Pc Note: 1 allow 0-1cm error thanks to handbook measurement. pls ensure you do not intellect earlier than you bid. 2 to the difference between diversified monitors, the image won't reflect the particular colour of the item. Thank you! Package Includes: 1 Duct Air Ventilator