Raising Electronics Rack Mount Fan - Solid, Versatile and Premium Quality, protect rack mount equipment from overheating, performance issues, and shortened lifespans. This 1U rack mount cooling unit with 4 fans is designed for applications that requires high volume cooling inside server or network cabinets. It mounts to any standard 19' installation cabinets and racks to provide a maximum airflow in your mission critical server systems. It can be mount either at the Top or Bottom of the your cabinets or racks. Also, if you would like to mount it in between your equipment, it is going to perform well too. The air flows from the unit bottom to top. Operates at a quiet noise level(from 42-48dBA) making it perfect for the server room or within your office space. Features: 1.Fits 19” Standard Equipment. Accommodates tower units, monitors, and other equipment. 2.Cold Rolled Steel Made. Powder coated finish that protects them from rust and corrosion. 3.4 fans in one. Air flow up to 220 CFM. 4.Quiet functioning: 42-48dBA. 5.Package includes M6 mounting screws and cage nuts. Specifications: Color: Advanced Black Material: Cold Rolled Steel Self Dimension: W19" X D12"X H1.75"(1U) Fan Size: W4.5"XD4.5"XH1.75" Input Plug Type: NEMA5-15P Input voltage: 110V 50/60HZ Shipping Dimension: 12LB 23x15x3