Hello
We are keen to know about Kf94 Mask you provide
What is the filtration efficiency of the KF94 mask?
Is it capable of filtering out particles of a certain size, and if so, what is the size range?
Can you describe the design of the mask in terms of how well it fits on the face and if it provides a secure seal?
Quantity : 50 sets (each set contain 24 pcs)
So tell me the prices along with the shipment to South Korea
Thanks
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