Features: The 12V 2.85A adjustable speed electric fan delivers 100CFM high capacity airflows with customizable revolutions control, optimized for Three-dimensional printer cooling systems, outdoor stove, and electronics ventilation through its centrifugal design. Engineered with a sturdy plastic housing and 5500 revolutions operations, this low noise centrifugal fan efficiently channels airflows while supporting extension tube attachments for targeted ventilation solution. Outdoor enthusiasts, campers, and craft hobbyists will appreciate its adjustable airflows for enhancing combustion in wood/Oil stove, cooling chicken coops, or managing heat in pet enclosures. From indoor moxibustions devices and fire place ventilation to electronics cooling and poultry house temp control, this electric fan adapts to various environments requiring Accuracy airflows management. Suitable for both alternating current 100 220V and Direct current 12V inputs via 5.5x2.1mm port, this multi purpose tool combines portability with industrial grade airflows . Specifications: Composition: Plastic Size: 9.7cm long, 10cm spacing between two holes, 3.3cm thick, 3.3cm diameter of round tube Color: Black Voltages: alternating current 100V-220V 50/60Hz Speed: 5500 revolutions Ball bearing Package Includes: 1x speed regulation power supply 1x 9733Extractor Fan 1x air outlet nozzle note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.