- The QUATTRO™ EP-411 corded reusable ear plugs are comfortable and effective hearing protection.
- Wash and reuse for weeks without losing its attenuation and effectiveness.
- Made in the USA. NSN (Nat’l Stock No.) 6515 01 492 0458.
- Material: TPR
- Nylon Braided Cord prevents ear plug loss.
- Four-Flange Rounded Design Creates an Effective Seal.
- Outlasts PVC ear plugs and provides all-day comfort.
- Resists ear wax and body oils.
- Sturdy Stem is Easy to Grip for Insertion & Removal.
- ANSI S12.6 Hearing Protection Attenuation Standard – ANSI S12.6
- ANSI S3.19
- 27 NRRNRR (Noise Reduction Rating)
- ANSI S3.19-1974 American National Standards Institute
- 27 NRRNRR (Noise Reduction Rating)
- EN352-2 Hearing protection : Earplug
- 34 SNRStandard noise reduction
- H = 33High frequency attenuation
- M = 32Medium frequency attenuation
- L = 30Low frequency attenuation
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