Table 3. Evaluation of filter penetration, pressure drop and headband integrity of N95 masks passed through the gas phase-Advanced Oxidation Process decontamination treatment 10 or 20 times compared to non-treated controls (S5 and S6 Tables).

Transitions through the gAOP unit	Filter Penetration Test (%)	Pressure Drop (mm Hg)	Headband Force 3rd Cycle 50% Upper/Lower
No Treatment	0.15±0.05A	7.53±0.29A	0.38±0.01/0.38±0.01
10	0.17±0.09A	7.57±0.36A	Not Determined
20	0.17±0.05A	7.68±0.22A	0.37±0.01/0.37±0.01

Means followed by the same letter within columns are not significantly different (P>0.05).