ADDA DC Waterproof Fan120*120*38mm 1.Bearing type:ball 2.Voltage:12/24/48V ... :TUV,CE,UL ADDA AC Waterproof Fan120*120*38mm Detailed Specification 1Frame size(mm)120*120*382Bearing typeball bearing3Rated voltage12/24/48V4Rated speed1500 ... and polarity protection ADDA 12V 24V 48V DC Waterproof Fan120*120*38mm