Beeswift Maxlite EarplugMAX LITE (NRR 30) earplugs provide long term comfort unmatched by other pre shaped foam earplugs. The non irritating, non allergenic self adjusting foam conforms to virtually any ear canal, making them ideal for individuals with smaller ear canals. Attenuation tested in accordance with ANSI S3. 19 1974. Key Features: Low pressure foam for extended wear comfort. Self adjusting foam fits virtually any ear canal. Non irritating and non allergenic. Green