Fangrui Product Details Versatile Cooling Solution: This Triple 120mm Fan Setup Is For Cooling Computer Towers, Servers, And Av Cabinets. Its Also Ideal For Ventilating Grow Racks, Rv Refrigerators, And Workshop Air Transfer. For Studios, Garages, Attics, And Even Rv Refrigerators, This Fan Setup Ensures Efficient Airflow When Needed. Efficient 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. Adjustable Speed Control: Equipped With A Variable Speed Knob, This Fan Is Available In 100-240v With Adjustable Wind Speed With A Knob, Making It Suitable For A Variety Of Setups And Noise Preferences. Easily Adjust The Airflow To Suit Your Needs, For Enclosed Spaces Like Cabinets And Media Centers. Multi-purpose Ventilation: Use This Fan As A Small Window Unit For Exhaust Or Intake, Enhancing Air Circulation In Basements, Attics, And Garages. Its Also Suitable As A