User ManualTable of ContentsSafety Instructions .3Introduction .3How the Air Purifier Works4Air Purifier Components4Display and Control Keys5Initial Operation6Using the Ionizer7Filter Life Counters8Locking/Unlocking the Keypad9Resetting the Air Purifier9Cleaning Your Air Purifier10Changing the Pre-Filter10Cleaning the Filter11Obtaining Replacement Filters12Problems and Solutions13Technical Support13Warranty Information14Hunter Air Purifier Model No.: .30540Pre-Filter Replacement Model No.:30901Size: 1.13 MBPages: 16Language: EnglishOpen manual