3M Earplugs, Refill Bottle, 37 dB, Uncorded, 500 Pairs/Box, 1100D

This product is designed, manufactured, labeled, and packaged for sale to industrial and professional customers for workplace use; it is not intended for consumer sale or use Reduces noise levels up to 35 dB, tested to EN 352-2:2020 Tapered design provides a good fit on a wide range of ear canal sizes Soft hypoallergenic foam softens with body temperature once inserted for comfortable extended wear Compatible with the 3M E-A-Rfit Dual-Ear Validation System 3M 1100 earplugs are also available in the 3M E-A-R One-Touch Pro Earplug Dispenser format The 3M 1100 Earplugs are uncorded and the 3M 1110 Earplugs are the pre-corded version