|Noise Reduction Rating NRR||21dB|
|Standards||ANSI S3.19-1974, CSA Class A and EN352-3|
- Dedicated left and right adjustable ear cups are contoured to simulate the head's curves for personalized fit and comfort.
- Behind-the-Head and Cap/Hat-Mounted Ear Muffs
- Mount to slotted hard caps. Dielectric ear muffs are nonconductive for use in electrical environments.
- Meet ANSI S3.19-1974, except 3NKZ4 and 3NKZ5 meet ANSI S12.6-1984