Promotes environmental comfort for increased productivity and wellbeing. Uses a pre-filter with activated carbon and a HEPA 11 filter to remove 95% of common pollutants, including PM2.5, mould, bacteria, dust, particles and VOC odours and gases. Can be removed and used as a standalone air purifier (7.6in x 6.5in x 3.6in) or (194mm x 164.5mm x 92mm) in other personal spaces or cubicles up to 16 square feet or 1.5 square meters. Easily connects to a USB port on a docking station, laptop, power bank or mobile power adapter for quiet (35/45 dBA) and energy-efficient workspace air purification. Clinically proven to be healthier and better for the environment than ozone, UV and/or negative ion purifiers. Filters last up to 2000 hours (replacement kits availableK55463EU). Supports comfort and productivity by allowing you to swap the air purifier with other WellView family products that cool (K55855EU) or heat (K55465EU) to accommodate different seasons, environments, or personal preference