Low profile helmet mounted ear defenders, 31dB SNR, designed with a traffic light colour code for easy identification. Position of the ear cup can be adjusted or tilted for optimum comfort and fit, offering an even distribution of pressure. Suitable for substantial industrial noise, construction and agricultural machinery, road works, forestry, and engineering. Easy to fit on helmets with universal slots. Sealing rings and cushions are easy to replace. Orange medium attenuation, small/compact cup, for use in areas where noise is rated at 106-111 dB. Compatible with JSP Evoguard visors (sold separately). 31dB Standard Noise Reduction ABS Cups, Steel Arms & PU Foam Cushions Can be Worn with Industrial Safety Helmets Surface Wipe Only Adjustable Steel Arms Attenuation: H = 35, M = 28, L = 20 Height Adjustable Arms Tilt & Adjust Position of Earcup Sealing Rings & Cushions Easy to Replace Compatible with JSP Evoguard Visors (Sold Separately) 31dB Standard Noise Reduction ABS Cups, Steel...