ASTM Level 1 Masks are a cost-effective solution for general use, particularly in low-fluid cases. ASTM Level 3 Surgical Masks include four layers of construction and are designed for fluid protection ...
Starting Thursday, Dec. 18, Level 2 surgical masks must be worn by patients, staff and visitors during direct interactions.
A simple modification to a surgical mask using rubber bands can improve its protective seal against particle exposure to the level of an N95 respirator, a study suggests. Throughout the COVID-19 ...
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