The Zenith Air SC1 helmet earmuffs are designed to work with all KASK helmets in general industrial work areas with low-to-medium noise levels.
They attach directly to all Zenith, Zenith X, Primero, and Quantum series helmets, as well as all Plasma, Superplasma, and HP series helmets with Plasma Earmuff Adapters.
With ABS thermoplastic ear cups and spacers and a polyether foam liner, the SC1 is ANSI S3.19, CSA Z94.2-02 Class B, and EN 352-3 certified.
The SC1 for Zenith helmets provides a SNR 23 dBA signal-to-noise ratio (SNR) with frequency attenuation values of 28 dB for high frequencies, 21 dB for medium frequencies, and 13 dB for low frequencies.
The SC1 for all other helmets provides a SNR 25 dBA SNR with frequency attenuation values of 27 dB for high frequencies, 23 dB for medium frequencies, and 16 dB for low frequencies.
All SC1 earmuffs provide a 22 dB noise reduction rating (NRR).
The Zenith Air SC1 helmet earmuffs are available through Kask accessory distributors including MTN shop, Traffic Safety Store, Ritz Safety, Rock-N-Rescue, and D.E. Gemmill.


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