IDEAL FOR GENERAL CONTINUOUS DUTY VACUUM AND LOW PRESSURE APPLICATIONS HAS AN INTERNATIONAL MULTIVOLTAGE DUAL FREQUENCY MOTOR THAT CAN OPERATE AT 100 115200 208 230V 50 HZ IF 50 HZ IS USED DEDUCT 17 FROM CFM RATINGS? PERMANENTLY LUBRICATED AND SEALED BEARINGS? SELF ADJUSTING SELF LUBRICATING VANESNOTE WHEN USED FOR POND AERATION INCLUDE THE APPROPRIATE CHECK VALVE IN DISCHARGE LINE TO PREVENT WATER FROM ENTERING PUMP IN CASE OF POWER FAILURE
