Produce professional face mask since 2005, supply for famous
enterprise,aviation industry and various industry in HK for more than 15 years.
Help with filter pollen,dust, bacteria,air pollutants, viruses and bacteria, hospital,school office,industrial
ASTM Level 3
Virus Filtration Efficiency ≧ 99%
Bacteria Filtration Efficiency ≧ 99%
Particle Filtration Efficiency ≧ 99%
Inner layer of composite fiber
Product size: 17.5cm*9.5cm
Storage Life: 5 years