Sell KF94 korea face masks

hy240011

5pcs in 1 pack = $40
; o8 f3 A: n: G6 Q4 P& O* ]6 _5 [
: s& {2 L4 Y5 d% _% @Available 400pcs total.
' _! a& U3 r# T9 lNo negotiation at all

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
0 p" S- V7 a( ^7 J. Y; x6 P7 M这边不是有N95吗？ 这个KF94是什么标准呢？

2 i( d2 c* v5 ?" S' M7 O( qNot 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.