... liquid gas; 5) Use for chemical industry and pesticide, solvent cleaning, paint sprayin and printing, ink and dyeing, medicine, disintegration projects, cement, agriculture ... , cutting dust, pollutes from heavy metal. Preventing stimulating poisonous and stink gases; 6) Lead time:For sample mask, the lead time is ... /ctnCarton Size: 66.5 x 34x 28CMG.W./N.W.:6/4Kg Safety Active Carbon Dust Mask,FFP1 Mask