Surgical Disposable Mask, ASTM Level 3 - Box of 50

Pack of 50 FDA cleared, manufactured using the highest quality of American-made materials, and 100% manufactured in The United States. Rated ASTM Level 3, this mask provides the highest level of protection.  3 Layers of protection: 1. PROTECTIVE LAYER The Blue outer layer ensures proper wear and provides high protection against fluids, high breathability, and excellent protection against airborne bacteria. 2. FILTER LAYER Provides at least 98% filtration against airborne particles and bacteria. 3. INNER COMFORT LAYER Enables wearers to comfortably wear masks for extended periods of time.