This ASTM rated level 3 mask mask has ear loops for easy and convenient wear. Can be folded for easy carrying. 3 ply pleated design. 

Testing:
-Bacterial Filtration Efficiency (BFE): ASTM F2100-2019 > 99.9% Level 3
-Differential Pressure (Breathability): ASTM F2100-2019 EN 14683 = 3.6 Level 3
-Particulate Filtration Efficiency (PFE): ASTM F2299 = 99.86% (0.1 micron) Level 3
-Synthetic Blood Penetration Resistance: ASTM 1862 ISO22609 = 160 mmHG (21.3 kPa) Level 3
-Flammability: 16 CFR Part 1610 Class 1

Length: 6.89 inches
Width: 3.74 inches

Code: 22-MFB-3-EL-L3-2K-C28