The Sonis 1 Ear Defender SNR27 Green ear defenders have been designed by the JSP R&D team. This SNR27 set are ideal for use in areas of moderate industrial noise such as workshops, printing works, landscaping, and leisure activities.
The Sonis 2 Ear Defender SNR31 Yellow ear defenders have been designed by the JSP R&D team. This SNR31 set are ideal for use in areas of substantial industrial noise such as roadworks, printing works, forestry and engineering.