The Bionaire BAP1700-IUK Air Purifier with Particle Sensor will remove 99% of allergens and pollutants in the air around you. Suitable for rooms up to 34 m², the Bionaire BAP1700 has a HEPA-Type Filter that will remove particles larger than 2 microns in size. The built-in air quality sensor has three speed settings and an auto mode to adjust the speed settings in the ambient air accordingly. A washable pre-filter, two permanent filters and an ioniser will help keep the air in your room fresh and pollution-..