... 1.Purpose and CharacteristicMF25 half face piece gas mask is apply to the workers, who work in ... , alcohols, CS2, CCL4, CHCL3, CH3Br, nitro paraffin, paint and its derivatives and so on. The product’s components ... are the body of half face mask, the cartridge, exhale valve, rubber headbands. The ... the product from our agency.5.2 The mask should be stored in the cool and dry place ...