Table 2.

The geometric mean (GM) and geometric standard deviation (GSD) of TIL for FFP1, N95, P100, and ER respirators.

Respirator	Model	Aerosol	TILGM	GSD	Min	Max	Filter Penetration (Aerosol Chamber) (%)*
FFP1	A	NaCl	0.89	2.14	0.22	2.57	0.416 ± 0.44
		Corn oil*	4.03	1.71	1.81	11.47	1.253 ± 0.87
	B	NaCl	18.50	2.62	4.34	69.25	0.011 ± 0.11
		Corn oil	21.63	1.62	11.05	38.89	0.023 ± 0.01
N95	C	NaCl	12.84	2.26	2.31	42.00	0.156 ± 0.17
		Corn oil	14.20	2.24	3.45	37.04	0.347 ± 0.06
	D	NaCl	0.82	4.05	0.07	6.02	0.501 ± 0.95
		Corn oil*	2.95	2.70	0.63	13.81	0.651 ± 1.28
P100	E	NaCl	0.48	15.89	0.020	12.50	0.027 ± 0.38
		Corn oil	1.19	4.48	0.08	12.08	0.069 ± 0.13
	F	NaCl	0.44	8.47	0.025	22.20	0.008 ± 0.0
		Corn oil	0.76	24.45	0.00	16.53	0.01 ± 0.0
ER**	G	NaCl	0.33	4.49	0.03	2.38	0.429 ± 0.17
		Corn oil	0.73	3.01	0.16	6.87	4.680 ± 0.17
	H	NaCl	0.19	2.83	0.06	1.05	0.147 ± 0.09
		Corn oil*	1.09	1.97	0.40	4.52	2.965 ± 0.56

^*Significantly higher TIL than for NaCl aerosol.

^**ERs were used with replaceable N95 filters.