N95 means it could block 95% fine particle in the air, good for

made by 3M

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• 對這次鳥流感來說，N95比PM2.5要好嗎？剛給國內朋友帶去了N95。 謝謝！ -sitka- ♀ (0 bytes) () 04/24/2013 postreply 12:19:34

• N95 filter out as small as PM0.3 particle, which is smaller than -禦用文人- ♀ (495 bytes) () 04/24/2013 postreply 15:06:53

• 謝謝這麽詳細的解釋。 -sitka- ♀ (0 bytes) () 04/24/2013 postreply 17:28:38

• 其實您的國內的朋友，隻要他問問周圍的人就知道該買什麽口罩了。3M的N95是國內的最好牌子。。。 -禦用文人- ♀ (138 bytes) () 04/24/2013 postreply 17:48:15