... informationCat No.P/NDescription840203010000OS40-ProDigital Enhanced Overhead Stirrer(Exclude universal stand), Max. stirring quantity 40L, ... , 110/220/50Hz/60Hz840203210000OS40-ProDigital Enhanced Overhead Stirrer(Exclude universal stand), Max. stirring quantity 40L, ... , 110/220/50Hz/60Hz840203310000OS40-ProDigital Enhanced Overhead Stirrer(Exclude universal stand), Max. stirring quantity 40L, ...