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 Reducing noise levels from 26-27 dB, model dependant, tested to EN 352:2020 Low-profile design combines easily with other safety equipment Compatible with the 3M E-A-Rfit Dual-Ear Validation System Large space inside the cups helps minimise heat and moisture build-up Wide, comfortable foam sealing rings provide optimum seal and ideal comfort, even during long periods of use