This Devola grade13 True HEPA filter removes 99.97% of pollutants from the air, helping to purify and enhance the air quality of the room. Boasting 360° filtering technology it combats, dust, pollen, smoke, odours, pet dander, bacteria, mould spores and VOC\'s. The filter captures any particle larger than 0.3 microns, leaving you with fresh air circulating the environment. It is also possible to filter particles smaller than 0.3 microns such as the Coronavirus via interception and diffusion. Offering protection against viruses and allergies, it can aid respiratory health and help those that suffer from asthma and with severe allergies. This is a replacement filter for the DV150APQM & DV150APQMFT.