... ,TGA,TIFF,PLT,CDR,DWG,DXFDriver TypeStepper MotorCoolingair and water coolingOpearate SystemWin98/Win2000/WinXP/Win 7Max Cutting thickness<25mmpass ... 1x exhaust fan6.1x exhaust fan pipe7.1x water pump8.1x water pipe9.water chiller Option Accessories: 1.Motorized up and down ... :sample display: cooling chiller : used for cooling the laser tube ,cooling effect is much better than water pump ,can also ...