The combination of elastic band and headband reduces pressure on the head and neck and does not affect the use of other protective products. Malaysia imported natural rubber, no heavy metal residue, safe and comfortable. Filter box with buckle, easy to assemble and disassemble, long service life. Built-in cartridge protection objects: organic gases or vapours such as benzene, toluene, formaldehyde, gasoline, carbon disulfide, etc. One-way breathing valve can effectively reduce respiratory resistance and eliminate wet air inside the mask.
