3M's Blue Tie-On Surgical Mask is 3M's most popular flat surgical mask thanks to its comfort and breathability. These fluid resistant, pleated masks use horizontal ties for easy application and are an excellent choice for surgical procedures and general purpose usage. They are latex free and blue in color. The 1818 features a rayon outer web, a polypropylene filter and a rayon inner web.
3M's Blue Tie-On Surgical Mask comes with or without an attached anti-fog, anti-reflective coated face shield, and is sold by the case (Without: 1 case of 12 boxes, 50 masks per box, 600 masks total; With: 1 case of 4 boxes, 50 masks per box, 200 masks total).