... double active-carbon can2.protect against dust,mist,paint,acid-gas,organic-gas,Hg vapor,ammonia,sulfureted hydrogen,etc.3.CE approval ... (face shield, spectacle, safety goggle, earmuff, ear plug, respirator, helmet), medical protective equipment (disposable face shield, spectacle) 2010/01/19 --- 2013 ... /31 CE DIN CERTCO GmbH C3861YUDU Frame for ocular and filter & 78140 2007/11/26 --- 2049/12/31 CE DIN ...