NRR rating 31. Folding design fits into shirt pocket. Can be worn over the head or behind the neck.
Allens Banded Ear Plugs have a Noise Reduction Rating (NRR) of 22dB. Featuring a folding design that fits into a shirt pocket, these ear plugs can be worn over the head or behind the neck. NRR rating 22. Folding design fits into shirt pocket. Can be worn over the head or behind the neck
- Folding Nrr-22