portable atemdusche for the protection against airborne aerosols, bacteria, chemicals and yeast microorganisms, pollen, ru amp; w; e, moulds, st amp; auml; practise and viruses of all kinds with dosimeters r amp; t.; r:

摘要

portableeng & auml; t r & t.; r lightprotection against air borne substances such as pollen, characterized bya direct combination of luftfilterpatrone with fan & ndash; carea battery & ndash;a fixed diagonal r & all; hrepurified air in & auml; u & w; breathing zone.the nose blowing and a broad cord around the neckworn or wireless to the clothes is attached.