***** **********Best Quality Guranteed. *****Pair of Extra Strong axial fans made to keep air flow and your equipment at low temperature*****Fits all standard 19 network cabinets; AC 110V Fan; 220/250CFM Airflow; 4000rpm; 59dBA, AC cable 6.2 ft and Ground wire attached*****Network Cabinet Fan Applications -fan cooler panels, trays, server, media cabinets, overheat
protection*****Included: Metal Finger Guard; Self-tapping Metal Screws; Quick Mount Silicone Rubber Screws - Rivets***** (Dual Ball Bearing for Horizontal or Vertical Mount) Dimensions 4.75 x 4.75" - 4 inch between holes