Our Kn95 for medicak use is 5-ply. L1 is nonwoven, L2 is
electrostatic cotton ,L3~L4 are filter layers, L5 is
skin friendly cotton. It's BFE is ≥99. The satanders in China
is GB GB19083 ,En EN14683:2019 in European. And it
has another name MDD as the civil use called PPE. The package is
1000pcs/ CTN. The size of the carton is 76*36*26CM.
