The Hitachi Air Purifier is what you need to make your home environment more pleasant and healthy, the appliance features an intelligently developed filter system that purifies the air and removes bad odors from every corner of your living space Effectively captures fine particles thanks to its multi-layered structure of allergen-free HEPA filter, it also effectively catches fine particles including dust, cedar pollen, and airborne mold The Hitachi air purifier also suppresses the activity of cedar, birch and ragweed pollen, dust mite dung and cat dandruff build-up With PM2.5 sensor a much quicker than the normal automatic air purification mode, it switches to high-sensitive detection mode and purifies fine dust with max airflow operation Has 2 selectable modes that provide the desired level of humidity: Humidifying Mode that humidifies clean air to increase the humidity in a room to about 50%, it can be used in combination with the deodorizing course and Skin Moisturizing Mode where room humidity can be increased up to about 60%, this helps keep your skin moist in the dry season and when using air conditioning During the Silent airflow operation, the noise level is less than 15dB, so it won’t disturb you when sleeping and the sleek brown color does not fade and easily matches home interiors The touch panel has been incorporated on the front glass panel, the reinforced flat front glass panel is easy to clean, and scratch-resistant Hitachi’s Air Purifiers were awarded the Allergy UK Seal of Approval in recognition of their proven ability to reduce exposure to allergens