... can protect against dust,mist,paint,acid-gas,organic-gas,Hg vapor,ammonia,sulfureted hydrogen,et TPR ... can2.protect against dust,mist,paint,acid-gas,organic-gas,Hg vapor,ammonia,sulfureted hydrogen,etc.3 ... .CE approval gas mask chemical respirator Verified Information This information ... No. Quantity Number of Year(s) Used Condition Injection machine HS-90, HS-150, HD-50 3 ...