The Portwest PW42 Helmet Mounted Ear Protectors have been Assembled with Large Acoustic Foam Filled Cups and Offer Excellent Attenuation to SNR 23dB. The Protectors can be put into the Stand Off Position. This Product is Compatible with PW50, PW51, PW57. Features Easy to clip-on Adjustable dual pin system provides multiple positioning for better fit Stand-off position for intermittent use CE-CAT III EN 352-3 SNR 26dB
