• 3M Peltor Optime I hearing protector designed for helmet mounting with a 30 mm slot. • Noise reduction with an SNR value of 26 dB for various industrial environments. • Wide and soft padding helps reduce pressure on the ears for greater comfort. • Large interior space in the cups reduces moisture and heat buildup. • P3E attachment for secure and stable fixation on the helmet. • Easy-to-replace cushions and inserts for optimal hygiene. • Suitable for use in construction, assembly, demolition, sanding, and welding.