Ideal for families with children, people with allergies, city dwellers and smokers Special filter package according to personal preference: ALLERGY/BABY/SMOG High cleaning output Clear indication of the air quality in the living room Automatic operation function (AUTO MODE) Energy-saving function (SLEEP MODE) Extra-fast air purification (POWER MODE) Reminder for filter change Timer for setting operating times according to your preferences Whisper-quiet in operation Container for the use of fragrances High-quality components with long service life The P500 comes standard with the ALLERGY filter