O2+ 7 Layer N99 Anti Pollution Face Mask

N99 Seven Layer Washable Anti Pollution Face Mask
 1 N99 Filter Free With the Pack
 First Layer is Cotton
 Second Layer Non-woven SMS(Spunbond Meltdown Spunbond- a tri laminate non-woven fabric It is made up of a top layer of spun bond polypropylene, a middle layer of melt blown polypropylene and a bottom layer of spun bond polypropylene)
 Third Layer Melt blown
 Forth Layer Activated Carbon(Active Carbon Respiratory Masks as the Adsorbent of Toxic Gases in Ambient Air)
 Fifth Layer Melt blown
 Sixth Layer SSMMS(3 beams of Spun bond and 2 beams of Melt blown)
 Seventh Layer is Cotton