Sell KF94 korea face masks

hy240011

5pcs in 1 pack = $40
4 V0 I: o" I5 O; E$ u! P% b
Available 400pcs total.
No negotiation at all
' N+ i) p6 I6 A: ^7 M- G
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
2 m# }3 `! F' ]1 ]这边不是有N95吗？ 这个KF94是什么标准呢？

# |0 H0 c" O# k3 F' Y0 ?Not N95. It KF94 korea filter. Which is similar to N95

hy240011

fatcat 发表于 2020-2-9 19:32
# L$ a) |8 A  R- l- \) ?" V9 _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.