3M 1860 Particulate Surgical Mask The use of these masks is increasing among those accompanying patients at medical institutions. Having a box at home is useful in case of emergency. ★★★Due to storage, there may be some scratches or dents on the box. Surgical mask for medical professionals Specifications: Cup-shaped N95 surgical mask Water-resistant and useful for liquids containing blood, etc. Color: Blue Complies with the CDC (Centers for Disease Control and Prevention) guidelines for tuberculosis infection control in healthcare facilities. 1 box contains 20 masks Expiration date: July 2026 3M Poison gas dust Medical personnel 157 Influenza Coronavirus Hay fever Measures Prevention Suppression Hygiene