Closed goggles with direct ventilation with mineral safety glasses covered with transparent electrically conductive film of tin dioxide, inserted in a rigid metal glass holder, soft rubber skirt with pressed into it metal mesh, covered with resistant and hygienic fabric and adjustable head band.
For protection against electromagnetic radiation, in the range of millimetre, centimetre and metre waves with shielding efficiency of 25 dB in the temperature range from -45 ° C to +50 ° C at a relative humidity of 90-93%..
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