Features: Crafted from ABS plastic and a removable design, this 12V inline duct fan features double ball bearing for quiet operation, low energy consumption, and compatibility with AC100-240V inputs. The 12cm 12V exhaust fan delivers 210CFM high airflows with adjustable speed controller 6000rpm, perfect for optimizing ventilation efficiency in DIY projects. Ideal for hobbyists, small space gardeners, and workshop owners needing targeted airflows for cooling, fume extraction, or humidity control. Designed for hobbyists, workshop owners, and hydroponic growers needing precise airflows control in enclosed spaces like grow tents, server rooms, or small scale paint booths. Engineered for quiet operation and easy integration with standard 12cm ducts, this exhaust fan ensures precise airflows management in confined spaces. Specifications: Component: Plastic Input: AC100-240V 50/60Hz Air volumes: 210CFM Noise: 65DB Speed: 6000rpm Size: Approx.18x12x12x9.8cm/7.08x4.72x4.72x3.86inch Bearing type: double ball bearing Package Includes: 1 Set Ventilation 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 color. Thanks for your understandings.