Dual-end three flange design meets the demands of modern military and law enforcement personnel whose hearing protection needs are duty- or mission-specific. Patented nonlinear acoustical design of the yellow end provides “hear-through” protection so low level sounds such as normal speech communication footsteps rifle bolts or approaching danger can be detected as quickly as possible to maintain mission safety. Internal filter reacts instantly to dampen high-level impulse noises like weapon fire and explosions up to 190 dB Peak. During operations around high-level steady-state noises like running vehicles generators and aircraft the olive-colored side delivers up to 22 dB of constan Mfg: 3m Company SPECS: (1) pair. Molded polymer. 1-5⁄16" (3.3cm) long x 9⁄16" (1.4cm) dia. NRR 22 dB. Includes case and instructions.
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