3M Earplugs Classic W/CORD BX200 Box. 3M Earplugs Classic W/CORD BX200 311-1101 / 55615-664 is part of a wide selection of 3M Ear plug gages or accessories. Combining excellent quality with an affordable price the 3M Earplugs Classic W/CORD BX200 311-1101 / 55615-664 can meet your scientific research needs while still offering a good value for a budget conscious end user. If you have any questions about any of our Ear plug gages or accessories please do not hesitate to contact our customer service for further guidance. Comfortable earplugs are extremely effective against high noise levels. These foam earplugs gradually expand and conform to the ear canal for a custom-fit seal. Washable. Moisture-resistant. Standard earplugs are available uncorded or with a connecting cord to fit around the neck. Available options for 3M Earplugs Classic W/CORD BX200 311-1101 3M Earplugs Classic W/CORD BX200 311-1101 Box 3M Earplugs Classic W/CORD BX200 311-1101 Case Specifications for 3M Earplugs Classic W/CORD BX200 311-1101: Description: Earplugs with Cord Packaging: Poly Bag AOSafety No.: 311-1101 Unit: Case of 10 / Box of 200 Noise Reduction Rating: 29 dB 3M Earplugs Classic W/CORD BX200 311-1101 Box