HEPASilent filter technology - the result for quieter and more energy efficient air purification. Effective removal of germs, allergens, dust, mould, pet hair, gases and microplastics. Complete air purification for rooms up to 65 m², WLAN compatible and control via the LCD display as well as via the Blueair app. GermShield - Kills viruses and bacteria thanks to plasma charging and low air flow, even in standby mode. All filters are recyclable and it is recommended to replace filters every 6-12 months depending on use.