Check the listing for details. 12” Mixed Flow Inline Fan 2250CFM Circulation Exhaust Fan For Room Ventilation. Condition: New. Listed at 229.99 USD. Enhance the air circulation in your indoor space with this 12” mixed flow inline fan from ConstantAIR. With a powerful air flow volume of 2250, this fan is suitable for indoor use and can be easily mounted on walls or ceilings. For Hydroponic Air Blower For Home Ventilation In Bathrooms, Kitchens, Grow Rooms, Grow Tents The fan features overheat protection and comes with 7 blades, making it a durable and efficient choice for your ventilation needs. The fan is corded and has a voltage of 110V, with a power source of 490W. It has a round shape with a diameter of 12 inches and a height of 12.25 inches. The fan is made of metal and comes with a 6ft cable length. This fan is perfect for those who need to circulate air in their indoor space and want a reliable and efficient solution.