Features: Experience powerful ventilation with our 12V 50mm/63mm/75mm exhaust fan, boosting airflows in grow tents and various home spaces like attics and kitchens. Designed for efficiency, this compacts duct fan features a high speed rotation of 5190RPM and operates quietly, ensuring minimal disturbance. For DIYer enthusiasts and professional alike, this exhaust fan is perfect for those in need of reliable air extraction in various settings. It's the perfect addition to kitchens, bathrooms, workshops, or any area requiring improved air circulations. This inline fan is enough for both supply and exhaust applications, adaptable to any angles or point in your HVAC system. Specifications: Component:PVC Fan speed: 5190r/minutes Power input: AC100-240V 50/60Hz. Output: 3V-12V 2A Fan input interfaces: 5.5x2.1mm 12V Total length of power cord: 255cm Diameter:50mm/63mm/75mm Package Includes: 1 Set Duct Exhaust Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorings of the item. Thanks for your understandings.