Number of Fans: 1Fan Bearing Type: Ball BearingFan Diameter: 1 x 114.3 mmHeight: 4.5"Width: 4.5"Depth: 2"Weight (Approximate): 3 lbPackage Contents: 4.5" Cooling Fan for Low-Profile Secure Wallmount Cabinets,Plastic Fan Guard,Mounting Screws,Compatibility: Black Box Wall Mount Cabinets: RMT352A-R2,RMT353A-R2,Application/Usage: CabinetCountry of Origin: TaiwanLimited Warranty: 1 YearProduct HighlightsSpecially designed to fit into Low-Profile Secure Wallmount Cabinets.Fan comes with its own power cord.Smooth ball-bearing design for extra-quiet operation.Includes a plastic fan guard and mounting screws.