Coolrguys USB Powered 120mm Fan with Cabinet Bracket This 120mm USB version of our Cabcool cooling kits is a great selection if you just want a no nonsense easy to install kit to keep your stuff cool. To use this kit you will need access to a USB port. This is a complete kit for a single 120mm fan unit (6.25" x 6.25" x .125") that will quietly cool your cabinet or multimedia center. Can be mounted on any side of a cabinet, where room permits, by cutting a hole approximately 3/4" smaller on all sides of the outside bracket. Insert completed cooler assembly in hole and attach to cabinet with appropriate screws. Fan(s) can be set to blow into or out of the cabinet depending on your needs. Cooling Unit includes the following: (1) Coolerguys 120x120x25mm USB Fan with Grill (1) Black Fan bracket (6.25" x 6.25" x .125") (1) Black 120mm Mesh Grill with Honeycomb 6mm holes (1) Black 120mm Black Fan Grill/Guard (8) Fan Screws to attach grill(s) Pack - 4" Nylon Multi-Purpose Tie Black (4) 1/2" black Cabinet screw(s) All necessary screws, cables, and fasteners to complete the unit are included Fan Specifications: Dimensions: 120x120x25mm Rated Voltage: 5 Volts Connector: USB Tail: 16 inch /Dual RPM: 1200 +/- 10% CFM: 44 dB: 19.7 Bearing: Dual Ball MTFB: 50,000 hrs General Instructions for CabCool Cabinet Cooler Kits (574 kb pdf) This is a DIY kit and some assembly and installation is needed.