. 2020 Jul 29;15(3):400–407. doi: 10.18502/jovr.v15i3.7458

Table 1.

Comparison of different commonly used face mask/respirator in the market $^{[21, 22]}$


Mask Type	Standards	Filtration Effectiveness
Surgical Mask	China YY 0469	<3.0 microns $\geq$ 95%
	<0.1 microns $\geq$ 30%

	USA ASTM F2100	Level 1	Level 2	Level 3
	3.0 microns $\geq$ 95%	3.0 microns $\geq$ 98%	3.0 microns $\geq$ 98%
	0.1 microns $\geq$ 95%	0.1 microns $\geq$ 98%	0.1 microns $\geq$ 98%

	Europe EN 14683	Type I	Type II	Type III
	3.0 microns $\geq$ 95%	0.3 microns $\geq$ 98%	0.3 microns $\geq$ 98%
	0.1 microns X	0.1 microns X	0.1 microns X
Respirator Mask	USA NIOSH (42 CFR 84)	N95/KN95	N99/KN99	N100/KN100
	China GB2626	0.3 microns $\geq$ 95%	0.3 microns $\geq$ 99%	0.3 microns $\geq$ 99.97%
	Europe EN149 :2001	FFP1	FFP2	FFP3
	0.3 microns $\geq$ 80%	0.3 microns $\geq$ 94%	0.3 microns $\geq$ 99%
3.0 microns: Bacteria Filtration standard (BFE) 0.1 microns: Particle Filtration Efficiency standard (PFE) 0.3 microns: Used to represent the most penetrating particle size X: No requirements