Sell KF94 korea face masks

hy240011

5pcs in 1 pack = $40

3 `# H# C/ [: ?7 W/ mAvailable 400pcs total.
No negotiation at all

& D2 o3 S, w2 O" s8 \, iLeave you phone number with amount you want

CV007

抢钱呢？

fatcat

这边不是有N95吗？ 这个KF94是什么标准呢？

hy240011

fatcat 发表于 2020-2-9 19:32
5 a9 f1 ^) N' p% k& U4 a' v这边不是有N95吗？ 这个KF94是什么标准呢？

, `, }7 P* C# N& L* _/ w) r  |9 X  GNot N95. It KF94 korea filter. Which is similar to N95

hy240011

fatcat 发表于 2020-2-9 19:32
这边不是有N95吗？ 这个KF94是什么标准呢？

3 k( Q% \" T# M5 d* L2 _* pKF means Korea Filter and 80/94 means 80%/90% of filter efficiency. Hence, it means a mask that has 80%/94% of filter efficiency. KF 80 means the mask is certified to filter out at least 80% of the pollutants. KF 94 means certified to filter out 94% of pollutants.