Cardinal Health Level 3 Surgical Mask with Anti-Fog Strip, Ties, Mediterranean Blue.- Meets the highest performance requirements defined by ASTM F2100-11, ASTM Level 3 masks features a four-layer construction.- Offers you protection, breathability and comfort.- Recommended for users with skin sensitivity, not made with natural rubber latex and has a 160mmHg fluid protection rating.- Inner layer is constructed with medical grade cellulose and is soft and non abrasive to the skin.- Mediterranean blue outer-facing.