MAX (NRR 33) pre-shaped foam earplugs feature a smooth outer skin for maximum user comfort. The NRR 33 rating makes the MAX the highest rated disposable earplug in the U.S. The smooth, soil-resistant skin helps prevent dirt from penetrating the surface prior to insertion. Conforms to EN352-2, Coral color, Packed in poly bagsRating: SNR 37. Max single-use earplugs deliver superior noise-blocking performance in working environments where loud and consistent noise is a safety hazard. Featuring an easy to insert contoured shape, these earplugs stay in place and resist backing out of the ear canal. Soft polyurethane design enhances user comfort. Dirt-resistant for improved hygiene. Individually wrapped for sanitised earplugs every time. Typical Applications: Agriculture, Construction, Government, Medical, Constabulary, Military, Municipal services, Steel and metal works, Transportation, Welding. Standards: CE PPE Category II, EN352-2:1993, EN24869-1:1993.