Rack Mount UPS DC Fan 1.frame size(mm):60X60X25 2.bearing type:ball,sleeve,hypro 3.max air flow: ... 34.7CFM 4.customized ADDA AD6025GP Rack Mount UPS DC ... protectionADDA AD6025GP Rack Mount UPS DC Fan detailed specification:1. frame size(mm): 60X60X25 2. bearing system type: ball,sleeve ... safety approvals: CE,TUV,UL,cUL ADDA AD6025GP Rack Mount UPS DC Fan