Max Lite earplugs are ideal for long-term users and those with smaller ear canals. The low-pressure foam earplugs offer long-term user comfort not found in other pre-shaped foam earplugs. The non-irritating, non-allergenic self-adjusting foam recovers to fit virtually any ear canal. Max Lite is also ideal for that portion of the population with smaller ear canals. Available corded or uncorded. Refill for Leight® Source 500. NRR 30dB. Tested to ANSI S3.19-1974 standard. 500 pair per box. Sold by the box.