Hellberg 42002 Secure 2 Helmet Mounted Ear Defenders, 90-110 dB The helmet mounted earmuff is the ideal choice for any work that requires head and hearing protection. Its durable construction withstands rough environments and the slim design reduces the risk of snagging in branches or confined areas. Protection level 2 is suitable for medium to high noise levels, between 90-110 dB. It is the best choice for noise protection in environments such as building and construction, heavy industrial work and for long term noise exposures. Helmet mounted Three wearing positions Approved with most popular helmets Replaceable cushions with "snap-in" system Integration with face protection Noise Protection Level Hellberg 42002 Secure 2 Helmet Mounted Ear Defenders, 90-110 dB