Aurelia Level 2 Earloop Face Mask – ASTM Standard Protection Buy Aurelia's Level 2 Earloop Face Mask for reliable respiratory protection that meets ASTM standards. This professional-grade blue face mask delivers 98% Bacterial Filtration Efficiency (BFE) and 120 mmHg fluid resistance for everyday use and protection. Measuring 90mm x 175mm, our earloop face mask provides superior coverage with a comfortable, secure fit for all-day wear....
