Earmuffs are objects designed to cover a person's ears for hearing protection or for warmth. They consist of a thermoplastic or metal head-band, that fits over the top or back of the head, and a cushion or cup at each end, to cover the external ears.
H=33dB M=29dB L=21dB
ANSIS3.19-1974 CE/EN 352-1 SNR=31dB
|Mean Attenuation Mf(dB)||15.8||21.8||30.9||40.1||37.5||37.2||34.3||31.5|
|Standard deviation Sf(dB)||2.4||2.5||3.9||2.9||3.0||5.8||2.7||2.6|
|APV Mf-Sf (dB)||3.4||19.3||27.0||37.3||34.5||31.4||34.6||28.9|
(1) 304 stainless headband; corrosion resistance; heat resistance; anti-oxidation.
(2) Leather cover and stainless headband with 4-point suspension which can help to distribute cushion pressure evenly.
(3) Unique plastic headband and ear cups for extended comfort and insulation.
(4) Light weight, comfortable & effective ear muff range.