SC1: Green-colored earmuffs used in environments with low-to-medium noise levels (NRR 22 db). Typical applications include: general industrial work areas. Attaches directly to all Zenith Series helmets. Requires Plasma Earmuff Adaptors to attach to all Plasma, Superplasma and HP series helmets.
Specifications
- MATERIAL
- EAR CUPS AND SPACER: ABS thermoplastic
- FOAM LINER: Polyether - STANDARDS: EN 352-3, ANSI S3.19
- WEIGHT: 280 g
- SNR: 23-25 dB (A)
- CATEGORY: III
- NRR: 22 dB
- SIZE: Universal
SC2: Yellow-colored earmuffs used in environments with medium-to-high noise levels (NRR 28 db). Typical applications include: building and construction, forestry use, industrial areas, production areas, agriculture, etc. Attaches directly to all Zenith Series helmets. Requires Plasma Earmuff Adaptors to attach to all Plasma, Superplasma and HP series helmets.
Specifications
- MATERIAL
- EAR CUPS AND SPACER: ABS thermoplastic
- FOAM LINER: Polyether - STANDARDS: EN 352-3, ANSI S3.19
- WEIGHT: 320 g
- SNR: 27-29 dB (A)
- CATEGORY: III
- NRR: 24 dB
- SIZE: Universal
SC3: Orange-colored earmuffs used in environments with high noise levels (NRR 31 db). Typical applications include: airports, car racing, while using pneumatic drills, etc. Attaches directly to all Zenith Series helmets. Requires Plasma Earmuff Adaptors to attach to all Plasma, Superplasma and HP series helmets.
Specifications
- MATERIAL
- EAR CUPS AND SPACER: ABS thermoplastic
- FOAM LINER: Polyether - STANDARDS: EN 352-3, ANSI S3.19
- WEIGHT: 350 g
- SNR: 28-31 dB (A)
- CATEGORY: III
- NRR: 27 dB
- SIZE: Universal
