Specification. Material: Rubber . Style: headset. Breathing valve means: yes. Type: Activated carbon mask. Standard: GB.Cartridges: 3#. Protection Object: organic gases and vapors, chlorine benzene, acetone, alcohols, anilines, carbon dioxide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, chloropicrinItem included. Mask*1. Cartridges with activated carbon*1. Filter sponge*1ApplicationsApply in paint, chemicals, polish, pesticides protectionChemical laboratory, fire inspection equipment, petroleum, mining, metallurgy, military, fire fighting, disaster relief, health and epidemic prevention and environmental technology.Service: We strive to put our hundred percent to resolve your issues and try our best to achieve your satisfaction!