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Apr 29, 2020 Cambridge Masks filtration system, incorporating particulate filtering layers and military grade carbon meets N99 standard of particulate filtration, providing nearly 100% protection from particulate pollution such as PM2.5 and PM0.3. PREORDER A MASK NOW! Were now sold out of medium and large sizes masks.

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Apr 29, 2020 Cambridge Masks filtration system, incorporating particulate filtering layers and military grade carbon meets N99 standard of particulate filtration, providing nearly 100% protection from particulate pollution such as PM2.5 and PM0.3. PREORDER A MASK NOW! Were now sold out of medium and large sizes masks.

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US Standard NIOSH N95 face mask with a high efficiency filter layer can effectively filter more than 95% of fine particles (more than 1um, such as viruses, bacteria, PM2.5 dust haze, etc. It can be applied in electronic manufacturing, dust free workshops, catering services, food processing, environmental cleaning, etc. Features1.

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Aug 26, 2019 An N95 mask acts as a barrier between you and the surrounding environment to protect you against hazardous fine particles and viruses suspended in the air. However, an N95 mask must be in the right size for you to achieve well sealed protection against airborne pollutants. A mask that is too big will result in gaps, leaving us vulnerable

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