1. Cooling Solution: This triple 120mm fan setup is suitable for cooling computer towers, servers, and AV cabinets. It is also applicable for ventilating grow racks, RV refrigerators, and workshop air transfer. It can be used in studios, garages, attics, and RV refrigerators to ensure efficient airflow when needed. 2. DIY Ventilation: Equipped with bi-metal protection with a heat sink base and oiled bearings, this fan can be an essential component for mining equipment and other setups that require reliable cooling. 3. Adjustable Speed Control: Equipped with a variable speed knob, this fan is available in 100-240V with adjustable wind speed via a knob, making it suitable for a variety of setups and noise preferences. Airflow can be easily adjusted to suit needs, suitable for enclosed spaces like cabinets and media centers. 4. Ventilation: This fan can be used as a small window unit for exhaust or intake, enhancing air circulation in basements, attics, and garages. It is also suitable as an exhaust fan for server cabinets and DIY media rack projects. 5. Operation: The double ball bearing DC motor has a maximum noise level of 26dBA, ensuring efficient and quiet operation. It can be mounted horizontally or vertically and includes a protective grille for safety. 6. Speed: 3000±10% RPM 7. Noise Level: 26 8. Speed regulation: stepless speed regulation 9. Voltage: AC100-240V 10. Plug Type: EU Plug, applicable to Indonesia, Germany, France, Spain, Italy and so on 11. Color: black 12. Material: ABS 13. Package Contents: 1 * 3x120mm fan and mounting screw kit, 1 * fan speed controller. Only the above package content, other products are not included. 14. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.