Table 4.

A comparison of TIL, and fit factor and filter efficiency for FFP1, N95, P100, and ER respirators.

			TIL (%)
Respirator	Model	Aerosol	GM	GSD	GM Fit Factor (*)	Efficiency (Filter Penetration) (%)*
FFP1	A	NaCl	0.89	2.14	53 ± 2	99.34 (0.66 ± 0.17)
		Corn oil	4.03	1.71
	B	NaCl	18.50	2.62	8 ± 2	91.75 (8.25 ± 2.7)
		Corn oil	21.63	1.62
N95	C	NaCl	12.84	2.26	11 ± 3	99.48 (0.52 ± 0.11)
		Corn oil	14.20	2.24
	D	NaCl	0.82	4.05	71 ± 3	99.973 (0.027 ± 0.07)
		Corn oil	2.95	2.70
P100	E	NaCl	0.48	15.89	150 ± 8	99.975 (0.025 ± 0.19)
		Corn oil	1.19	24.45
	F	NaCl	0.44	8.47	51 ± 6	99.992 (0.008 ± 0.0)
		Corn oil	0.76	4.48
ER	G	NaCl	0.33	2.83	89 ± 2	99.723 (0.277 ± 0.88)
		Corn oil	0.73	1.97
	H	NaCl	0.19	4.18	91 ± 2	99.629 (0.371 ± 0.41)
		Corn oil	1.09	3.01

^*Indicates Mean ± Standard Deviation