Slow-recovery PVC foam provides comfort with low pressure.
- Soft polymer foam expands in the ear for a custom fit.
- Will not absorb moisture and swell. Maintains comfort, fit and recovery.
- Classic Plus Earplugs are longer and can be inserted deeper into the ear canal for greater noise reduction.
- Single Un-corded pair and packaged in a pillow pack.
- Classic has an NRR of 29 dB, while the Classic Plus has an NRR of 33 dB.
- CSA class A(L).