54mm (6.1in) to 366mm (14.4in) lengths. AC shaded type motor, temperature resistant aluminum alloy, ball or sleeve bearings. Maximum Pressure: 0.8mmAq (0.0315inH2O) to 1.7mmAq (0.067inH2O), Maximum Air Flow: 14CFM (0.4m3/min) to 60CFM (1.7m3/min). CE, UL, TUV listed.