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?KN95 Face Mask FDA CE Certificate Nano Technology 6 ply Protective Facial Mask
Nanotechnology bacteriostatics and antibacterial.
Four in on function:
Anti-haze, sterilization, antivirus, formablehyde removal
The product is composed of mask bbody, nose clip and mask belt; the mask body is composed of PP melt blown nonwovens and PTFE nano-filtration membrane folded by ultrasonic wave.
Executive standard: Q/HNT 001-2020
Storage conditions: it should be placed in a cool and fry place.
Shelf life: three years(sealed)