Series: high powerful dc fan 48v Size: 60x60x38,80x80x38, 92x92x38,120x120x38, 172x51,254x89 Voltage: dc 48 High powerful dc fan 48v 60x60x38mm dc fan 48v80x80x38mm dc fan 48v92x92x38mm dc fan 48v120x120x38mm dc fan 48v172x150x51mm,172x172x51mm dc fan 48v254x254x8mm dc fan 48v dc fan 48v