The ProPac ASTM Level 3 Face Masks are high-quality, 3-ply disposable earloop masks designed for use in various healthcare, lab, and dental settings. This pack of 50 masks is brand new and sealed, ensuring its freshness and effectiveness. With the ASTM Level 3 designation, these masks offer superior protection against airborne particles, making them an essential addition to any medical or lab supplies collection. Recommended for both professionals and individuals seeking reliable face mask protection.