The UltraSonic™ foldable high performance ear muff delivers full spectrum attenuation as well as low frequency attenuation. The low force stainless steel headband provides even distribution of pressure and has 27 NRR!
• Foldable ear muff
• Superb full spectrum attenuation
• Low force stainless steel Suspension, tolerates extreme temperatures
• Fork type headband distributes pressure evenly
• Wide ear cushions with soft padding
• Tested to ANSI S3.19-1974. 27 NRR