国内pm2.5很严重，想从澳洲买点好的防护口罩带回去，有什么推荐的吗
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国内淘宝有很多........
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这儿的口罩都是一次性的吗？是不是到药房就能买到p2 的口罩？
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什么是p2 的口罩
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P2/N95 mask fit checking
When there is a high probability of airborne transmission due to infectious agents or procedures, sound scientific principles support the use of P2/N95 respirators to prevent transmission. Respirators are designed to help reduce the wearer’s respiratory exposure to airborne contaminants such as particles, gases or vapours. P2/N95 respirators are appropriate for the majority of airborne precautions encountered in healthcare facilities.
The P2/N95 mask is a particulate filter personal respiratory protection device, capable of filtering 0.3µm particles1. It complies with the AS/NZS 1716:2012.
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