Features:
- Distinctive triple-flanged design
- Unique parabolic design provides an improved contact area within the ear canal, improving sound attenuation properties and comfort
- Available with cord (ERB04C) and without (ERB04), one pair per individual polybag
- ERB04V packed one pair of corded plugs per vial
- NRR 25dB when used as directed
- PVC cord on ERB04C
- Convenient dispenser box – 100 pair/box (ERB04 and ERB04C), 50 pair/box (ERB04V)