35 pieces/box; 40 boxes/carton 4-Ply Face mask MOQ: 50 cartons Color: White, Blue High quality non-woven materials complied with: - Level 3 ASTM F2100-19 -TYPE IIR EN 14683:2019 PM 2.5 ; ISO 9001:2015 ; ISO 10993 ASTM F2299; FM 650483 ; EN14683/ASTM 1862 Soft and comfortable ear-loops for easy wearing Specifically designed the inner of the face mask for maximum comfort Water resistant TEST RESULT BY NELSON CERTIFICATE Particle Filtration Efficiency (PFE) >= 99% (PM2.5 g/m3) Viral Filtration Efficiency (BFE) >= 99% Bacterial Filtration Efficiency (BFE) >=99% Delta P Differential Pressure: 4.1 mm H2O/cm2 Delta P Differential Pressure (Pa/cm3): 39 Flammability Class 1 Synthetic Blood: 160mm Hg (21.3 kPa) Microbial Cleanliness
4 ply surgical mask.
Diesel en590 10ppm/350ppm/500ppm, gasoline 76 80 89 92 93 95 octane, petroleum coke (petcoke), aviation kerosene colonial grade 54 jet fuel, vacuum gas oil (vgo), bitumen, carbon black feed stock oil (cbfs oil) euro 4/5 diesel... etc..Agent, seller's mandate