Colour:Round Nostrils  |  Size:Multi-Size Pack(4 frames) First-time buyers are highly recommended to buy the Multi-Size Pack S/M/L/XL packs to find the suitable size. The Ultra Defense Max Nasal Filters are ideal for blocking pollen, dust, mold, dander allergens and air pollution(particles).Some people have allergy symptoms due to inhaling allergens. After applying the nasal filters, the allergens are physically blocked and can NOT get into your respiratory system. Advantages: - Cutting-edge nano filters remove most airborne particles with excellent breathability. - Improved structure ensures a more secure filter and seal. - Short and thin connector offers great discretion. - Soft frame material offers a comfortable fit. Product features: Frame - Soft, comfortable, medical-grade FDA approved platic, BPA-and Phthalate-free. Filter - 1)Cutting-edge electrostatic and nano filters, when used together, can filter out 98.3% of PM2.5 pollutants and germs and 99% of pollen, dust, mold, dander and PM10 pollutants. 2)The electrostatic filter on its own can filter out 90% of PM2.5 pollutants and 97% of pollen, dust, mold, dander, and PM10 pollutants. 3)The nano filter on its own can filter out 85% of PM2.5 pollutants and 92% of pollen, dust, mold, dander, and PM10 pollutants. Service life - The outer frame can be used long-term, and the removable filters should be replaced every two days, you may wear this product 24 hours a day or as needed. Clean - Wash the frame every day with clean water, or 70% alcohol for optimal results. Washing the disposable replacement filters is not recommended, as this may reduce the filter efficacy. Packaging content: 4 pcs of frames , 4 pairs of pre-installed filters(electrostatic filters and nano filters), 4 pairs of replacement electrostatic filters, 4 pairs of replacement nano filters Other:1 pc of tweezer, 1 pc of storage case, 1 pc of manual
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