Soft expandable, self adjusting foam ear plugs that conform to ear canal. Tested by Eport in accordance with EN352-2:2002. It is found to be in conformity with Council Directive 89/686/EEC relating to Personal Protective Equipment. Instructions Roll ear plugs with finger tips to compact foam Insert ear plugs into ears Make sure ear plugs are suitability fitted Ear plugs must be worn at all times in noisy surroundings Ear plugs to be regularly inspected for serviceability Plugs can be washed 3 times in warm soapy water and dried naturally Ear plugs to be discarded after 3 washes Ears plugs must be stored in a clean, uncontaminated area Frequency Mean  Attenuation  db Standard  Deviation APVdb 125 36 6 30 250 36.7 6.1 30.6 500 39 6.5 32.5 1000 36 5.9 30.1 2000 37 4.9 32.1 4000 46.7 3.2 43.5 8000 44.6 3.8 40.8     SNR = 35db   H = 34db   M = 32db   L = 31db Nominal Size: 4 – 6