Replacement filters for the Airinum Air Mask Lite. The Air Filter Lite Maxi provides advanced protection (KN95) against harmful particles in the air. Maximum protection for when you need it most filters out nearly 100% of pollutants, airborne allergens, and viruses down to PM 0.3. The filter is available in 3 sizes and each filter pack contains 3 replaceable filters. How long does a filter last? The filter lifetime depends on many factors such as the pollution in your surroundings. Our filters last for about 1 month of usage, but we advise changing them every second week for hygienic reasons. Tags: face mask, virus mask, anti-pollution mask, KN95, N95, FFP2, pollution, anti-pollution, pollution mask, covid, corona, virus, bacteria, dust, wildfire, bushfire, mold, odor, smoke, gas, certified, UV mask, UV, filter, μm, PM 2.5, pollen mask, pollen, respiratory diseases, Swedish, Scandinavian, award, award-winning, premium, tested, traffic, commute