Sell KF94 face mask 50pcs 4ply Black Face Mask Korean Design Mask Flat Earloop Ear Comfort Black Mask 4ply Mask Hitam Murah best price

Product Name:4-ply KF94 Respirator Disposable Face Mask Same Level with N95 Standard: GB2626-2006 Filtration Efficiency: Non-oil Particles Filtration Efficiency(PFE): >= 95% Bacterial Filtration Efficiency(BFE): >= 95% Inspiratory resistance: < 350 Expiratory resistance: < 250 Layers and Materials: First Layer(Outer Layer): Non-woven fabric Second Layer: Melt blown cloth Third Layer: Melt blown cloth Fourth Layer: Filter sponge Function: Anti-bacteria, anti-smog, anti-pm2.5, anti-particles, anti-spray its filtration efficiency (dust-removing rate) is more than 95% for non-oily particulates above 0.3 microns. Same level with N95 mask.