High: 128.87cmm / 4551cfm / 3353 cmhAir Flow:Fan Diameter: 18″ (460mm)Suitable for use in industrial, commercial, agricultural, automotive workshop and on-site applicationsEnergy efficiency tested according to EU 206/2012 regulations and standards (ERP Compliant)Mid: 78cmm / 2755 cfm / 2765 cmhSpeed:Cradle stand with tilt function allows flexible control of airflow when requiredLow: 1168rpmLow: 52 cmm / 1836 cfm / 1828 cmh Product features SKU JEFFANDRM18-230E Voltage 230V Speed Range High: 1354rpm | Mid: 1257rpm | Low: 1168rpm Air Flow High: 128.87cmm / 4551cfm / 3353cmh | Mid: 78ccm / 2755cfm / 2765cmh | Low: 52ccm / 1836cfm / 1828cmh Output Power 110W Fan Diameter 18″ Gross Weight 6.6 kgsDurable and robust design with heavy-duty gauge steel casing, guard, handle and frameMid: 1257rpmPower: 110WBalanced and fully guarded blades provide quiet and safe operationHigh: 1354rpmVoltage ~ Frequency: 230V ~ 50Hz (13A)