their lists here or database here :
要买就买有合格证书的正品吧.以下是CDC网站提供的合格品牌和model number.你自己抄下CDC列出的这些model number, 到药店或amazon买.
我个人推荐这个(我的鼻梁比较窄,得多压几次让它完全压紧不漏气---fit): http://www.amazon.com/3M-1860-Medical-Mask-N95/dp/B000GUP7UC
20个才$15.99.
their lists here or database here :
要买就买有合格证书的正品吧.以下是CDC网站提供的合格品牌和model number.你自己抄下CDC列出的这些model number, 到药店或amazon买.
我个人推荐这个(我的鼻梁比较窄,得多压几次让它完全压紧不漏气---fit): http://www.amazon.com/3M-1860-Medical-Mask-N95/dp/B000GUP7UC
20个才$15.99.
•
回复:能对付雾霾PM2.5和拿到NIOSH合格证书的N95口罩有:
-tmp32990-
♂
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01/21/2014 postreply
17:55:08
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