Sell KF94 korea face masks

hy240011

5pcs in 1 pack = $40
( V  Z9 W* y: \  K- t8 l
" J: b/ N" P" B- eAvailable 400pcs total.
No negotiation at all
- A9 j6 m, k( [9 o; [
Leave 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
* `4 [+ Q- A7 O9 a1 x( a: o这边不是有N95吗？ 这个KF94是什么标准呢？

, \) Y6 ^/ U* N/ f  p5 ^. M% ONot 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？

KF 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.