Mounted earmuffs for the 3M G3000 helmet and for the 3M G500 head visor holder. Ear cushions are filled with a unique combination of liquid and foam, which ensures optimum sealing with low pressure even when worn over a long period of time. Sealing rings have ventilation channels and are coated with soft, patented, hygienic foil. Wide space around the ears prevents excessive sweating, in order to increase comfort. Standard attenuation, SNR is 27 dB.