Hitachi unique technology exclusively designed for its air purifier enables extremely high air flow of up to 12m3/min*1, ensuring purified air reaches every corner of the room. Capture the harmful particles and unpleasant odours in your room. Suppressible substances like mould, bacteria, viruses, cedar pollen, dead house dust mites. Removable odours like pet, tobacco, cooking, rotten vegetables, rotten fish, grilled meat, toilet, sewage outlet, formaldehyde, vocs. The sealed filtration system with antimicrobial allergen-free hepa filter captures 90% of ultrafine particles as small as 0.02µmx3.