Comfortable hearing protection with 3M earplugs 1100. The simple pre-shaping and insertion, along with the tapering shape, allow for reliable noise reduction. Made from soft hypoallergenic PU foam, they exert minimal pressure in the ear while providing maximum comfort. Tested and certified according to EN 352-2, they reduce noise exposure by 37 dB. The model is suitable for use with the 3M E-A-RFit Dual-Ear Validation System and is available as test earplugs. Available in refill bottles for the 3M E-A-R One Touch Pro earplug dispenser, ensuring that earplugs are conveniently accessible on-site while minimizing waste.